change rule for the kamelio app

[mimmi20]

This PR optimizes the rules for the kamelio app a bit.

[codecov]

Codecov Report

Merging #1990 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master    #1990      +/-   ##
============================================
+ Coverage     50.93%   50.93%   +<.01%     
  Complexity      905      905              
============================================
  Files          1697     1697              
  Lines         61186    61188       +2     
  Branches      26834    26835       +1     
============================================
+ Hits          31165    31167       +2     
  Misses        30021    30021

Flag	Coverage Δ	Complexity Δ
#full	45.86% <100%> (ø)	0 <0> (ø)	⬇️
#lite	2.1% <0%> (-0.01%)	0 <0> (ø)
#standard	26.91% <0%> (-0.01%)	0 <0> (ø)

Impacted Files	Coverage Δ	Complexity Δ
...rces/user-agents/apps/kamelio-app/kamelio-app.json	83.33% <100%> (+3.33%)	0 <0> (ø)	⬇️

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