feat: change session to schedule & schedule to calendar in URL

[maze-runnar]

Fixes #4920

Checklist

• I have read the Contribution & Best practices Guide.
• My branch is up-to-date with the Upstream development branch.
• The acceptance, integration, unit tests and linter pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

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[codecov]

Codecov Report

Merging #4918 into development will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##           development    #4918   +/-   ##
============================================
  Coverage        23.16%   23.16%           
============================================
  Files              481      481           
  Lines             5098     5098           
  Branches            18       18           
============================================
  Hits              1181     1181           
  Misses            3913     3913           
  Partials             4        4           

Impacted Files	Coverage Δ
app/router.js	100.00% <100.00%> (ø)

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