Clamped Unit Rating Mod for CamOps (redux)

[IllianiCBT]

Current Implementation

Currently, CamOps Unit Rating is uncapped. AtB relies on Unit Rating to generate TN modifiers to a number of different functions.

Problem

With CamOps being uncapped, there is no upper or lower boundary to the modifiers which can create undesirable effects. Such as...

• Only generating Relief missions
• Making Retirement checks impossible to pass/fail.
• Making Ship Search checks impossible to pass/fail.
• Influencing what large craft are found, through the Ship Search.
• Influencing the arrival/departure of Dependents.
• Influencing enemy Morale Checks, causing enemy morale to snowball towards Invincible/Rout.
• Influencing part availability, during contracts. Potentially making the availability of parts much easier/harder than intended.
• Influencing where units are placed, after scenarios (Field Repair, Repair Bay, etc).
• Influencing the hiring hall, making better pilots more/less common than intended.

Solution

Using MathUtility.clamp() I have bound UnitRating so fit within the lower/upper bounds of the FM:M Dragoon Rating System (F-A*). This is only limited to the above instances, so things like Unit Report are unaffected.

All issues listed under 'Problems' have been closed by this PR.

Credit

Credit for this solution goes to https://github.com/SuperStucco. All I did was edit the getUnitRatingMod to ensure it applied to all uses of getUnitRatingMod. This approach was suggested by Nick and replaces my earlier approach of editing on a case-by-case basis.

Closes

Closes #3729
Closes #3817
Closes #3753

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 10.65%. Comparing base (2676968) to head (ef0ff24).
Report is 2 commits behind head on master.

Files	Patch %	Lines
MekHQ/src/mekhq/campaign/Campaign.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #3933   +/-   ##
=========================================
  Coverage     10.65%   10.65%           
  Complexity     5528     5528           
=========================================
  Files           836      836           
  Lines        114275   114275           
  Branches      17185    17185           
=========================================
  Hits          12176    12176           
  Misses       100871   100871           
  Partials       1228     1228           

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[Sleet01]

LGTM