[MERGE WITH GITFLOW] Hotfix-wagtail html editing

[johnnyporkchops]

Issue : https://github.com/18F/fec-cms/issues/1415
Restores ace-builds noconflict js files to allow html editing. Tested locally on Master

• This is a node module that is not being included: fec-cms/node-modules/ace-builds
• In this hotfix, the files are just included in /static/js/vendor which might not be correct, but works to restore editing until we can fix the build to include it

[codecov-io]

Codecov Report

Merging #1450 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #1450   +/-   ##
======================================
  Coverage    79.4%   79.4%           
======================================
  Files          46      46           
  Lines        3297    3297           
  Branches      497     497           
======================================
  Hits         2618    2618           
  Misses        679     679

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[ccostino]

@johnnyporkchops and I spoke about these changes and discussed why this isn't the right approach - we'd only end up copying pieces of a module into a build pipeline-managed directory by going this route, which will likely cause numerous maintenance issues and likely still result in a broken module that we're trying to use.

Please see the parent issue (#1415) for more information.

/cc @xtine

[xtine]

This has been fixed by https://github.com/18F/fec-cms/pull/1478.