trim values when parsing the baseline

[BraisGabin]

Out baseline should treat this:

<ID>
  FeatureEnvy:Signature
</ID>

The same way it treats:

<ID>FeatureEnvy:Signature</ID>

This PR ensures that.

[codecov]

Codecov Report

Merging #4335 (96e0d43) into main (a1150bc) will increase coverage by 0.00%.
The diff coverage is 50.00%.

@@            Coverage Diff            @@
##               main    #4335   +/-   ##
=========================================
  Coverage     84.23%   84.23%           
- Complexity     3258     3259    +1     
=========================================
  Files           474      474           
  Lines         10322    10323    +1     
  Branches       1824     1825    +1     
=========================================
+ Hits           8695     8696    +1     
  Misses          666      666           
  Partials        961      961           

Impacted Files	Coverage Δ
...arturbosch/detekt/core/baseline/BaselineHandler.kt	95.00% <50.00%> (ø)
...h/detekt/rules/naming/MemberNameEqualsClassName.kt	87.80% <0.00%> (+0.30%)	⬆️

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