Problem/Motivation
If a Media entity has a table field attached, it is not possible to save it in the Media Library Overlay.
This is the full error stack from the test environment:
#0 /var/lib/tugboat/stm/web/modules/contrib/tablefield/src/Element/Tablefield.php(382): Drupal\Component\Utility\NestedArray::setValue(Array, Array, Array)
#1 [internal function]: Drupal\tablefield\Element\Tablefield::submitCallbackRebuild(Array, Object(Drupal\Core\Form\FormState))
#2 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/Form/FormSubmitter.php(129): call_user_func_array(Array, Array)
#3 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/Form/FormSubmitter.php(67): Drupal\Core\Form\FormSubmitter->executeSubmitHandlers(Array, Object(Drupal\Core\Form\FormState))
#4 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/Form/FormBuilder.php(597): Drupal\Core\Form\FormSubmitter->doSubmitForm(Array, Object(Drupal\Core\Form\FormState))
#5 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/Form/FormBuilder.php(326): Drupal\Core\Form\FormBuilder->processForm('media_library_a...', Array, Object(Drupal\Core\Form\FormState))
#6 /var/lib/tugboat/stm/web/core/modules/media_library/src/MediaLibraryUiBuilder.php(315): Drupal\Core\Form\FormBuilder->buildForm('Drupal\\media_li...', Object(Drupal\Core\Form\FormState))
#7 /var/lib/tugboat/stm/web/core/modules/media_library/src/MediaLibraryUiBuilder.php(162): Drupal\media_library\MediaLibraryUiBuilder->buildMediaTypeAddForm(Object(Drupal\media_library\MediaLibraryState))
#8 /var/lib/tugboat/stm/web/core/modules/media_library/src/MediaLibraryUiBuilder.php(128): Drupal\media_library\MediaLibraryUiBuilder->buildLibraryContent(Object(Drupal\media_library\MediaLibraryState))
#9 [internal function]: Drupal\media_library\MediaLibraryUiBuilder->buildUi(Object(Drupal\media_library\MediaLibraryState))
#10 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array)
#11 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/Render/Renderer.php(638): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#12 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(121): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#13 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array)
#14 /var/lib/tugboat/stm/vendor/symfony/http-kernel/HttpKernel.php(181): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#15 /var/lib/tugboat/stm/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1)
#16 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/StackMiddleware/Session.php(53): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#17 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#18 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/StackMiddleware/ContentLength.php(28): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#19 /var/lib/tugboat/stm/web/core/modules/big_pipe/src/StackMiddleware/ContentLength.php(32): Drupal\Core\StackMiddleware\ContentLength->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#20 /var/lib/tugboat/stm/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(116): Drupal\big_pipe\StackMiddleware\ContentLength->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#21 /var/lib/tugboat/stm/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(90): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#22 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#23 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#24 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/StackMiddleware/AjaxPageState.php(36): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#25 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php(51): Drupal\Core\StackMiddleware\AjaxPageState->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#26 /var/lib/tugboat/stm/web/core/lib/Drupal/Core/DrupalKernel.php(741): Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#27 /var/lib/tugboat/stm/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#28 {main}
Steps to reproduce
* go to https://master-kf1w1npnafnzgumjzoewfikimbmlmonw.tugboatqa.com/user
* login as admin admin
* add an article: https://master-kf1w1npnafnzgumjzoewfikimbmlmonw.tugboatqa.com/node/add/a...
* Try to create a new image via the media library overlay (It is not possible)
Proposed resolution
There appears to be some strange form issue in the meda library overlay, potetnially beciasethe entity is not jet saved at this point of time. It does work via the direct media form: https://master-kf1w1npnafnzgumjzoewfikimbmlmonw.tugboatqa.com/media/add/...