[Ticket: #636][Ticket: #633]

[Ticket: #630][Ticket: #631][Ticket: #632]

A number of bugs have been reported,
some of which this commit should fix.

[Ticket: #617][Ticket: #620][Ticket: #621]
[Ticket: #622]

With the new quill format, some cleanups and
unnecessary double checks are no longer required.
This leads to a much better performance.

A partial commit to the upcoming meeting.

[Ticket: #182]

Some changes were not updated correctly
and wrong data were displayed in the preview.

[Ticket: #214][Ticket: #215][Ticket: #216]

[Merge Request: !117][Ticket: #211]

[Ticket: #207]

[Ticket: #207]

Deleted old cleaning-function-service and implemented full comment cleaning in existing create-comment-keywords.ts

Implemented cleaning function service and removed the old unused method in create-comment.component.ts.

fix ui for spellcheck error.

Remove the html Tags if editable Div is empty

This reverts merge request !29

This reverts merge request !24

Added regex for the spacy response, added tooltips to buttons and checkboxes, cleaned es-lint errors in create-comment.component.ts and spacy-dialog.component.ts