Fix TinyMCE JS on forms loaded with DOM (#1827) ...

* Fix TinyMCE JS on forms loaded with DOM

Fixes #1777

* Fix broken specs

* Fix Rubocop style violations

Ignored LineLength violations when string is part of FastGettext

* Updated rubocop style gem

Ensure annotations destroyed when text is blank ...

When a user updates an existing annotation to set its text to blank, this
should destroy that annotation record on the DB—since they can't be valid without
text.

Refactor template index views to use instance vars

Deprecate non-idiomatic helper method name

Add specs for editing template question

Change tooltip on container page if all modifiable ...

If all of the sections are modifiable, we don't need the second part of the tooltip that reads: "You may place them before or after the main template sections."

Only show this if some of the Sections are unmodifiable

Replace YARD documentation with Tomdoc ...

These changes use the YARD gem, but in the lighter Tomdoc format.

You can read more about Tomdoc here: https://tomdoc.org

Add tests to check that Template copying works

Merge pull request #1794 from DMPRoadmap/refactor/template-number-field ...

Remove specs referencing `sections.published`