feat(admin-ui): manage custom assets screens in admin ui

[syntrydy]

closed #1635

[sonarcloud[bot]]

Quality Gate passed for 'flex_linux_setup'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[sonarcloud[bot]]

Quality Gate failed for 'flex_admin_ui'

Failed conditions
96 Duplicated Lines on New Code (required ≤ 20)
1 New Bugs (required ≤ 0)

See analysis details on SonarCloud

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[sonarcloud[bot]]

Quality Gate passed for 'flex_linux_setup'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[sonarcloud[bot]]

Quality Gate failed for 'flex_admin_ui'

Failed conditions
25 Duplicated Lines on New Code (required ≤ 20)

See analysis details on SonarCloud