KNOX-3275: Option to group/separate UI services on the HomepageUI. Fi…

[hanicz]

…xed and issue where the dialog windows would only close on the second try on the Homepage UI.

KNOX-3275 - Option to group/separate ui services with config

What changes were proposed in this pull request?

• Adds option to group/separate UI services on the HomepageUI
• Fixes and issue where the dialog windows would only close on the second try on the Homepage UI
• Adds new unit tests for the UI group ability

How was this patch tested?

Locally tested with custom topologies

<property>
      <name>knox.homepage.group.ui.services</name>
      <value>true</value>
</property>

<service>
      <role>IMPALAUI</role>
      <url>https://host-3.thaniczui:25000/</url>
      <url>https://host-2.thaniczui:25000/</url>
</service>

Integration Tests

N/A

UI changes

[github-actions]

Test Results

7 tests   7 ✅  1s ⏱️
1 suites  0 💤
1 files    0 ❌

Results for commit 9e55d25.