Issue #3465823 by just_like_good_vibes, Christian.wiedemann: Token source and entity contexts

...ns_views/src/Plugin/UiPatterns/Source/ViewsSourceBase.php

src/Plugin/UiPatterns/Source/BlockSource.php

src/Plugin/UiPatterns/Source/ComponentSource.php

src/Plugin/UiPatterns/Source/MenuSource.php

src/Plugin/UiPatterns/Source/TokenSource.php

src/SourcePluginBase.php