Merge branch '1177-refactor-richtextarea-editor' into 'main'

For #1177 (closed)

Use toolbar and auto hide it

See merge request !1561 (merged)

(cherry picked from commit a2597c5f)

23e1bc3e Use border instead of padding to prevent transparent background b0d072db Use toolbar instead of bubbleMenu. Only show toolbar in richtextarea-control... e56547e7 Remove not needed header tag from application because side-header also creates...