German Translation (Release 0.42)
Re-add EXTENSION_KEYWORDS, update SHA
String.js (Italian Language) for Release 0.42

I hope that you are in the branch "release".
Update strings.js
Suggested changes
Update strings.js

Remove "LINE_HEIGHT" and "GENERAL" strings
Update strings.js

Fix row "544"!
Update strings.js

Fix a error!
Removes the `doctype-` class from the editor (#8579)
Merge pull request #8569 from Denisov21/patch-10

String.js (Italian Language) for Release 0.42
Remove `ThemeView.setDocumentMode` entirely
Merge pull request #8590 from adobe/dangoor/8579-remove-doctype

Removes the `doctype-` class from the editor
Merge pull request #8568 from SAPlayer/german-translation

German Translation (Release 0.42)