Widget missing schema

Problem/Motivation

Schema error saving widget
Drupal\Core\Config\Schema\SchemaIncompleteException: Schema errors for core.entity_form_display.node.page.default with the following errors: core.entity_form_display.node.page.default:content.uid.settings.match_operator missing schema, core.entity_form_display.node.page.default:content.uid.settings.match_limit missing schema, core.entity_form_display.node.page.default:content.uid.settings.size missing schema, core.entity_form_display.node.page.default:content.uid.settings.placeholder missing schema in Drupal\Core\Config\Development\ConfigSchemaChecker->onConfigSave() (line 98 of core/lib/Drupal/Core/Config/Development/ConfigSchemaChecker.php).

Steps to reproduce

Validate schema

Proposed resolution

Add schema config

Remaining tasks

MR

User interface changes

N/A

API changes

N/A

Data model changes

N/A