Do not save "admin" mappings when running in Proxy - mode

[StefH]

No description provided.

[codecov]

Codecov Report

Merging #561 (5591023) into master (fae27f9) will increase coverage by 0.01%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master     #561      +/-   ##
==========================================
+ Coverage   76.21%   76.22%   +0.01%     
==========================================
  Files         142      142              
  Lines        5600     5603       +3     
  Branches      565      566       +1     
==========================================
+ Hits         4268     4271       +3     
  Misses       1163     1163              
  Partials      169      169              

Impacted Files	Coverage Δ
src/WireMock.Net/Owin/WireMockMiddleware.cs	92.14% <83.33%> (+0.17%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update fae27f9...5591023. Read the comment docs.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication

[StefH]

#559