Use TreeMaps in SwaggerGenerator to ensure stable openapi.json output

[clementdenis]

No description provided.

[codecov-io]

Codecov Report

Merging #16 into master will not change coverage.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master      #16   +/-   ##
=========================================
  Coverage     80.06%   80.06%           
  Complexity     1715     1715           
=========================================
  Files           159      159           
  Lines          5718     5718           
  Branches        754      754           
=========================================
  Hits           4578     4578           
  Misses          856      856           
  Partials        284      284

Impacted Files	Coverage Δ	Complexity Δ
...oogle/api/server/spi/swagger/SwaggerGenerator.java	78.34% <100%> (ø)	60 <0> (ø)	⬇️

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[llbrt]

Looks good, fix the cases I tested (order of API classes, order of fields and methods in Api classes and in DTOs) :-)
I am not sure about the impact of the build (JDK version, order of building of classes), but it will probably work most of the time, if not all the time.

Reviewed 1 of 1 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved

[llbrt]

Reviewable status: complete! all files reviewed, all discussions resolved