added event before rendering permissions

[kevinpapst]

Description

• added event before rendering permissions

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I verified that my code applies to the guidelines (composer kimai:code-check)
• I updated the documentation (see here)
• I agree that this code is used in Kimai and will be published under the MIT license

[codecov]

Codecov Report

Merging #1599 into master will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #1599      +/-   ##
============================================
+ Coverage     92.08%   92.09%   +0.01%     
- Complexity     4701     4713      +12     
============================================
  Files           438      439       +1     
  Lines         14550    14573      +23     
============================================
+ Hits          13398    13421      +23     
  Misses         1152     1152              

Impacted Files	Coverage Δ	Complexity Δ
src/Controller/PermissionController.php	93.00% <100.00%> (+0.21%)	23.00 <0.00> (+1.00)
src/Event/PermissionsEvent.php	100.00% <100.00%> (ø)	11.00 <11.00> (?)