add -1 check to getColoredPlayerNameWithTeam

[DM0000]

Add check to set unassigned players to team "no team" in getColoredPlayerWithTeamName().

fixes #6509
tested fix with included save file and everything worked.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 29.03%. Comparing base (b8379d0) to head (830eb62).
Report is 28 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##             master    #6567    +/-   ##
==========================================
  Coverage     29.03%   29.03%            
+ Complexity    15175    15143    -32     
==========================================
  Files          2836     2837     +1     
  Lines        279278   279094   -184     
  Branches      49235    49119   -116     
==========================================
- Hits          81087    81039    -48     
+ Misses       192816   192690   -126     
+ Partials       5375     5365    -10     

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