Minor tp bugfixes

[rimashah25]

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Which Traffic Control components are affected by this PR?

• Traffic Ops
• Traffic Portal

What is the best way to verify this PR?

In TO, curl the deliveryservices endpoint to test for query param requiredCapability

In TP,

1. Go to Server Capabilities tab, click on a capability and test View Delivery Services button. It should the correct DS for a given capability.
2. For DS Table, added Required Capability(ies) column.. test to see if you can select or deselect the field.
3. On the federations list, the Delivery Service column is not being populated.
4. On the cache group listing (Click on the icon to view servers assigned to a cache group) the CDN column is not being populated.
5. On Assign multiple server to a capability, cdn name was not populated.
6. Right click on a DS, click to verify the following two links work, open DS_name in new tab and Edit.

With these fixes, columns should be populated and buttons, links should work.

If this is a bugfix, which Traffic Control versions contained the bug?

8.0.0

PR submission checklist

• This PR has tests
• This PR has documentation
• This PR has a CHANGELOG.md entry
• This PR DOES NOT FIX A SERIOUS SECURITY VULNERABILITY (see the Apache Software Foundation's security guidelines for details)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (80255a0) 29.98% compared to head (73ae8a1) 33.83%.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7879      +/-   ##
============================================
+ Coverage     29.98%   33.83%   +3.85%     
  Complexity       98       98              
============================================
  Files           605      314     -291     
  Lines         79591    31093   -48498     
  Branches        970       90     -880     
============================================
- Hits          23863    10520   -13343     
+ Misses        53732    19555   -34177     
+ Partials       1996     1018     -978     

Flag	Coverage Δ
golib_unit	53.85% <ø> (ø)
grove_unit	12.02% <ø> (ø)
t3c_unit	5.88% <ø> (ø)
traffic_monitor_unit	25.47% <ø> (ø)
traffic_ops_unit	?
traffic_portal_v2	?
traffic_stats_unit	10.78% <ø> (ø)
unit_tests	32.07% <ø> (+2.92%)	⬆️

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