fix(adminui-vue): CodeMirror: stop propagation for Enter and Ctrl+Ins key...
fix(adminui-vue): CodeMirror: stop propagation for Enter and Ctrl+Ins key combination, to avoid frustration when put code-mirror into a slot of a table cell, and user presses Enter or Ctrl+Ins and u-entity-table reacts on that key, while only CodeMirror should.
note: keys inside CodeMirror continue to work, it just blocks propagation of the events to the parent controls.