Issue MegaMek/mekhq#8427: Prevent array index OOB from troop size and issue with docking collar assignment in MekHQ

[psikomonkie]

Fixes #8427 once MegaMek/megamek#7787 is also merged.

This fixes issues with assigning drop ships to a space station's docking collars.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 27 lines in your changes missing coverage. Please review.
✅ Project coverage is 12.29%. Comparing base (db9e627) to head (ac1e50d).
⚠️ Report is 19 commits behind head on main.

Files with missing lines	Patch %	Lines
...khq/campaign/unit/ShipTransportedUnitsSummary.java	0.00%	16 Missing ⚠️
...c/mekhq/campaign/unit/TransportShipAssignment.java	0.00%	10 Missing ⚠️
...campaign/utilities/CampaignTransportUtilities.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #8524   +/-   ##
=========================================
  Coverage     12.29%   12.29%           
- Complexity     7401     7402    +1     
=========================================
  Files          1287     1287           
  Lines        165298   165315   +17     
  Branches      24875    24884    +9     
=========================================
+ Hits          20317    20321    +4     
- Misses       143041   143053   +12     
- Partials       1940     1941    +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.