Feature/default storage list

[weko3-dev29]

Add view for seeing custom storage users.

Tests still need fixing.

[weko3-dev29]

Add view for seeing custom storage users.

Tests still need fixing.

[coveralls]

Pull Request Test Coverage Report for Build 1205

• 0 of 40 (0.0%) changed or added relevant lines in 1 file are covered.
• 9951 unchanged lines in 345 files lost coverage.
• Overall coverage decreased (-19.02%) to 51.66%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
admin/institutions/views.py	0	40	0.0%

Files with Coverage Reduction	New Missed Lines	%
api/nodes/permissions.py	1	88.68%
osf/utils/migrations.py	1	76.14%
framework/postcommit_tasks/handlers.py	1	82.43%
website/oauth/utils.py	1	66.67%
website/registries/utils.py	1	83.33%
osf/utils/machines.py	1	92.77%
framework/forms/utils.py	1	81.25%
api/licenses/serializers.py	1	94.12%
osf/utils/requests.py	1	97.67%
osf/utils/storage.py	1	66.67%

Totals
Change from base Build 1198:	-19.02%
Covered Lines:	23289
Relevant Lines:	45081

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💛 - Coveralls