[de][bu] Add functions to get the list of tags for all ContentControls/forms tags
[de][bu] Add functions to get the list of tags for all ContentControls/forms tags

Also add a function to get an array of ContentControls/Forms by the specified tag

ONLYOFFICE/sdkjs,ONLYOFFICE/sdkjs,ONLYOFFICE/sdkjs,ONLYOFFICE/sdkjs,ONLYOFFICE/sdkjs