[Dashboard De-Angular] Add unit tests for dashboard_listing and dashb…

…oard_top_nav (#4640)

* Add unit tests

Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com>

* fix other unit tests and update snapshots

Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com>

* update snapshots

Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com>

* fix osdUrlStateStorage

Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com>

* fix snapshots

Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com>

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Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com>
(cherry picked from commit 86a3f1e)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

# Conflicts:
#	CHANGELOG.md