Fleet UI: Surface download URL for Fleet-maintained app when adding

[RachelElysia]

Issue

For #25250

Description

• Create "Software details" modal that shows details of FMA when adding the software to Fleet
  See ticket for more info and QA plan
• +48 lines of basic test

Screenshot

Truncated state for really long URL: Empty state for URL (shouldn't happen):

Checklist for submitter

If some of the following don't apply, delete the relevant line.

• Changes file added for user-visible changes in changes/, orbit/changes/ or ee/fleetd-chrome/changes.
  See Changes files for more information.
• Added/updated automated tests
• A detailed QA plan exists on the associated ticket (if it isn't there, work with the product group's QA engineer to add it)
• Manual QA for all new/changed functionality

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.61%. Comparing base (382a2f1) to head (2ea7969).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #25762   +/-   ##
=======================================
  Coverage   63.60%   63.61%           
=======================================
  Files        1624     1624           
  Lines      155419   155447   +28     
  Branches     4054     4010   -44     
=======================================
+ Hits        98856    98882   +26     
- Misses      48761    48763    +2     
  Partials     7802     7802           

Flag	Coverage Δ
frontend	53.17% <100.00%> (+0.09%)	⬆️

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[RachelElysia]

Will fix test monday, whatever reason using the truncated tooltip component breaks finding the URL in the test.