DAV\PropPatch::handleRemaining should only register one callback

[paulmhh]

currently handleRemaining() will create one callback for each remaining property update but with the whole array of remaining properties as parameter. Thus doCallBackMultiProp() is being used (in each callback! It should be either one callback with an array as parameter, or it should multiple callbacks with a string as parameter)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.24%. Comparing base (c327c0f) to head (937322c).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1553   +/-   ##
=========================================
  Coverage     97.24%   97.24%           
  Complexity     2834     2834           
=========================================
  Files           175      175           
  Lines          8843     8843           
=========================================
  Hits           8599     8599           
  Misses          244      244           

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