Filter out irrelevant messages

The patch no longer applies to latest 2.1.x-dev. Please create a MR when updating the patch.

Also this change should be in a separate issue, as it is not related and it is a bug:

diff --git a/emaillog/emaillog.module b/emaillog/emaillog.module
index 9a36f3a..526c116 100644
--- a/emaillog/emaillog.module
+++ b/emaillog/emaillog.module
@@ -137,6 +137,7 @@ function template_preprocess_emaillog(&$variables) {
+  $variables['log']['type'] = $variables['log']['variables']['channel'];

The same applies for this unrelated change:

diff --git a/emaillog/src/Form/EmaillogConfigForm.php b/emaillog/src/Form/EmaillogConfigForm.php
index 6734a43..b4b61c9 100644
--- a/emaillog/src/Form/EmaillogConfigForm.php
+++ b/emaillog/src/Form/EmaillogConfigForm.php
@@ -136,7 +136,7 @@ class EmaillogConfigForm extends ConfigFormBase {
-      '#value' => 'Save Configuration',
+      '#value' => $this->t('Save Configuration'),

Thanks!

Re: for the two unrelated changes, I have already created issues and fixed them (credited @bjaxelsen):
🐛 template_preprocess_emaillog is missing type Active
🐛 Fix translation of strings in EmaillogConfigForm Active

Another thing, which should be considered here is, if we should remove the existing hook - that does not seems ideal from the BC point of view.