Migrate to Redux Toolkit part 11

[RichDom2185]

Description

Cleaned up remaining action creator to use new helpers and move away from named exports for more of them.

Also fixed a bug with the admin panel giving a 404. This regression was caused in #2763.

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update
• [x] Code quality improvements

How to test

Checklist

• [x] I have tested this code
• [ ] I have updated the documentation

[coveralls]

Pull Request Test Coverage Report for Build 9062718299

Details

• 61 of 158 (38.61%) changed or added relevant lines in 30 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.2%) to 31.412%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/commons/application/actions/CommonsActions.ts	3	4	75.0%
src/commons/collabEditing/CollabEditingActions.ts	4	5	80.0%
src/commons/dropdown/DropdownCreateCourse.tsx	0	1	0.0%
src/commons/fileSystemView/FileSystemViewDirectoryNode.tsx	0	1	0.0%
src/commons/sagas/PlaygroundSaga.ts	18	19	94.74%
src/features/sourceRecorder/SourceRecorderActions.ts	7	8	87.5%
src/pages/academy/grading/subcomponents/GradingSubmissionsTable.tsx	0	1	0.0%
src/pages/academy/groundControl/subcomponents/DefaultChapterSelect.tsx	0	1	0.0%
src/commons/fileSystemView/FileSystemViewFileName.tsx	0	2	0.0%
src/commons/fileSystemView/FileSystemViewFileNode.tsx	0	2	0.0%
<!--	Total:	61	158	38.61%	-->

Files with Coverage Reduction	New Missed Lines	%
src/pages/academy/sourcereel/Sourcereel.tsx	1	0.0%
<!--	Total:	1		-->

Totals
Change from base Build 9062474924:	-0.2%
Covered Lines:	4891
Relevant Lines:	14670

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💛 - Coveralls