Prefer use of interpolated strings in PresentationCore

[halgab]

Follow-up to #8519

Description

We replace as many manual string concatenations and string.Format with interpolated strings. This saves allocations in many instances, and makes for a more readable code.

Customer Impact

Less allocations

Regression

No

Testing

CI

Risk

Low. Most changes are automated using the IDE

Microsoft Reviewers: Open in CodeFlow

[dipeshmsft]

@halgab, can you take a look at the above PR and make the necessary changes ?

[halgab]

Hi. I'm sorry, I'm not sure when I'll have time to get back to this...

[dipeshmsft]

@halgab, is it okay we take this up ?

[halgab]

Yes, of course

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 1.11732% with 177 lines in your changes missing coverage. Please review.

Project coverage is 11.45626%. Comparing base (a354bec) to head (cde707c). Report is 82 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main       #8616         +/-   ##
===================================================
- Coverage   11.54183%   11.45626%   -0.08557%     
===================================================
  Files           3214        3214                 
  Lines         648502      648353        -149     
  Branches       71510       71552         +42     
===================================================
- Hits           74849       74277        -572     
- Misses        572401      572912        +511     
+ Partials        1252        1164         -88     

Flag	Coverage Δ
Debug	11.35262% <1.11732%> (-0.08662%)	:arrow_down:

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