Updated duplicate device names to use PVs to identify

[tomkane-dls]

Duplicate device names now append PV names in brackets instead of enumerating. If no P macro is present they will display (NO PV NAME {i}) so there is no chance of a clash.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.78%. Comparing base (cecc500) to head (c126e2e).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #200      +/-   ##
==========================================
+ Coverage   89.75%   89.78%   +0.03%     
==========================================
  Files           9        9              
  Lines         800      803       +3     
==========================================
+ Hits          718      721       +3     
  Misses         82       82              

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