[D4C] additional error handling for 'block' action added + policy editor UI fixes#156629

mitodrummer merged 6 commits intoelastic:mainelastic/kibana:mainfrom

mitodrummer:d4c_ui_fixes_and_block_error_handlingmitodrummer/kibana:d4c_ui_fixes_and_block_error_handlingCopy head branch name to clipboard