MPS-20884 Only one modifier is red underlined in case of wrong field declaration
- highlighting whole cell if it's a single-line cell & highlighting connected regions in case of multi-line cell
- reporting error for the templateDeclaration.contentNode instead of template declaration itself -> more informative input for user + fixing original problem with overlappingwarning & error messages
MPS-20885 Warning message is shown instead of error message when field declaration has error and warning
Merge remote-tracking branch 'origin/master' into 3.2/editorFixes
Merge remote-tracking branch 'origin/master' into 3.2/editorFixes