Capitalize deadborder directory for MM consistency

[AaronGullickson]

In MekHQ, we have a directory that is data/boards/unofficial/deadborder and in MegaMek we have a directory that is data/boards/unofficial/Deadborder. Since we use MegaMek's board folder for releases, this leads to a discrepancy when running MekHQ from source and from a release. This just capitalizes it in MekHQ to bring it in line with MegaMek. I checked other folders in that directory and they all matched.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 10.65%. Comparing base (0a2b4e4) to head (637f29d).
Report is 10 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3948      +/-   ##
============================================
+ Coverage     10.60%   10.65%   +0.04%     
- Complexity     5487     5528      +41     
============================================
  Files           836      836              
  Lines        114266   114275       +9     
  Branches      17182    17185       +3     
============================================
+ Hits          12121    12176      +55     
+ Misses       100935   100871      -64     
- Partials       1210     1228      +18     

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[Thom293]

Nice. (edited to remove unrelated issue).

[AaronGullickson]

No, its only going to affect maps in the unofficial/deadborder directory. I compared that map between MM and MHQ and the path appears to be identical, so I think #3776 is a different issue.

[Thom293]

Ok. thank you. Will edit out the number so it doesnt grab it by mistake.