Fix Status Report for updates with Embed button CKEditor5 compatibility after updating

Problem/Motivation

After updating from varbase 9.0.15 to 9.0.16 with basic composer update, I have this error in status report. (Screen shot)

In Varbase 10.0.x

Proposed resolution

• Switch to Drupal recipes to update Varbase 9.1.x and 10.0.x
• Change the format from PNG to SVG in the config only
• Delete old physical files for Gallery and Media Embed buttons.
• Remove old custom code and logic of adding the icon to CKEditor Embed Buttons

Remaining tasks

• ✅ File an issue about this project
• ✅ Addition/Change/Update/Fix to this project
• ✅ Testing to ensure no regression
• ➖ Automated unit/functional testing coverage
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ➖ UX/UI designer responsibilities
• ➖ Accessibility and Readability
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Update Release Notes and Update Helper on new feature change/addition
• ✅ Release varbase-10.0.0-rc3, varbase_media-10.0.0-rc5, varbase-9.1.3, varbase_media-9.1.9

Varbase update type

• ✅ No Update
• ➖ Optional Update
• ➖ Forced Update
• ➖ Forced Update if Unchanged

User interface changes

• N/A

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• Issue #3394223 by hamidtiouti: Fixed Status Report for updates with Embed button CKEditor5 compatibility after updating