Revert "Revert "DIRTY SOLUTION: set editor height to 400px, hardcoded""

This reverts commit baacd9e0b6bbced39e66c20147fa2caa78979aee.
Revert "Revert "Complete .cke_iswidget logic removed; settings from ckeditor_properties""

This reverts commit 5408ba8254202de76df0d4cfcebb8482c505f2f3.