[TypeRegistry, Create Menu] implement selectable plugins for create menu

[johnriedel]

Closes #7725

Describe your changes:

This feature allows the user to select which plugins appear in the create menu. Details below.

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Is this a notable change that will require a special callout in the release notes? For example, will this break compatibility with existing APIs or projects that consume these plugins?

Author Checklist

• Changes address original issue?
• Tests included and/or updated with changes?
• Has this been smoke tested?
• Have you associated this PR with a type: label? Note: this is not necessarily the same as the original issue.
• Have you associated a milestone with this PR? Note: leave blank if unsure.
• Testing instructions included in associated issue OR is this a dependency/testcase change?

Reviewer Checklist

• Changes appear to address issue?
• Reviewer has tested changes by following the provided instructions?
• Changes appear not to be breaking changes?
• Appropriate automated tests included?
• Code style and in-line documentation are appropriate?

Testing Instructions

1. Click the create menu. There should be a "Select Plugins..." option.
   
2. Click the "Select Plugins..." option. This should open a plugin-selection dialog.
   
3. Deselect the "Clock" plugin and click the Ok button. Notice the Clock plugin no longer appears in the Create menu.
   
   
4. Click "Select Plugins...", put a check in the Clock checkbox, and click Ok. Notice the Clock plugin appears in the Create menu.
   
   
5. Create a new Clock item by clicking the Clock menu item and clicking Ok in the pop-up dialog.
   
   
6. Click the Create menu, click "Select Plugins...", and notice how the Clock checkbox is disabled when the Clock plugin s in-use.
   
7. Close the Select Plugin dialog.
8. Click the Create button to open the create menu. Click the Create menu button again. Notice the menu closes.

[codecov]

Codecov Report

Attention: Patch coverage is 60.60606% with 39 lines in your changes missing coverage. Please review.

Project coverage is 57.29%. Comparing base (1fde0d9) to head (7ae8fae).

Files with missing lines	Patch %	Lines
...ctions/components/PluginSelectorFormController.vue	55.55%	19 Missing and 1 partial ⚠️
src/ui/layout/CreateButton.vue	0.00%	19 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7998      +/-   ##
==========================================
- Coverage   57.62%   57.29%   -0.33%     
==========================================
  Files         678      680       +2     
  Lines       27426    27519      +93     
  Branches     2692     2708      +16     
==========================================
- Hits        15803    15768      -35     
- Misses      11281    11407     +126     
- Partials      342      344       +2     

Flag	Coverage Δ
e2e-ci	62.87% <91.42%> (+0.05%)	⬆️
e2e-full	23.66% <28.57%> (-18.35%)	⬇️
unit	49.35% <51.51%> (-0.05%)	⬇️

Files with missing lines	Coverage Δ
src/api/menu/components/SuperMenu.vue	83.33% <ø> (ø)
src/api/types/TypeRegistry.js	80.95% <100.00%> (+9.52%)	⬆️
src/plugins/formActions/PluginSelectorAction.js	100.00% <100.00%> (ø)
src/plugins/formActions/plugin.js	100.00% <100.00%> (ø)
src/ui/layout/CreateButton.vue	7.50% <0.00%> (-4.04%)	⬇️
...ctions/components/PluginSelectorFormController.vue	55.55% <55.55%> (ø)

... and 10 files with indirect coverage changes

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