fix: reproducible typescript output (#1159)

[rnm-sxm]

Status

READY

Description

Sort schemas after reading input files and before generating output.

Related PRs

Fixes #1159

Todos

• Tests
• Documentation (N/A)
• Changelog Entry (unreleased)

Steps to Test or Reproduce

Extract the workspace from reproduce.tar.gz

# generate the OpenApi schema
> python3 gen.py

# generate Typescript using orval
> npx orval

# Make a copy of the output
> cp gen/reproduce.ts gen/reproduce-one.ts

# Rerun the generator
> npx orval

# diff the two outputs
> diff gen/reproduce-one.ts gen/reproduce.ts

The two output files should be identical.

[melloware]

Running the tests now