Issue #3483908 by quietone: Fix spelling for ckeditor related words

core/misc/ajax.js

core/misc/cspell/dictionary.txt

...ditor5/js/ckeditor5_plugins/drupalHtmlEngine/src/index.js

...or5_plugins/drupalImage/src/drupalimagealternativetext.js

...imagealternativetext/drupalimagealternativetextediting.js

.../src/imagealternativetext/drupalimagealternativetextui.js

...Media/src/drupalelementstyle/drupalelementstylecommand.js

...Media/src/drupalelementstyle/drupalelementstyleediting.js

...rupalMedia/src/drupalelementstyle/drupalelementstyleui.js

...s/ckeditor5_plugins/drupalMedia/src/drupalmediaediting.js

...s/ckeditor5/js/ckeditor5_plugins/drupalMedia/src/index.js

...js/ckeditor5_plugins/drupalMedia/src/insertdrupalmedia.js

...tor5_plugins/drupalMedia/src/mediaimagetextalternative.js

...aimagetextalternative/mediaimagetextalternativeediting.js

.../mediaimagetextalternative/mediaimagetextalternativeui.js

...les/ckeditor5/src/Controller/CKEditor5MediaController.php

...lementstyle_test/ckeditor5_drupalelementstyle_test.module

.../ckeditor5/tests/src/FunctionalJavascript/AdminUiTest.php

...tor5/tests/src/FunctionalJavascript/JSTranslationTest.php

...itor5/tests/src/FunctionalJavascript/MediaPreviewTest.php