chore(yarn): move postinstall to yarn build:public

[iainsproat]

Description & motivation

yarn install can take a long time, of which 2 minutes (in CircleCI) is spent in the link/postinstall step.

Part of this link/postinstall script is a postinstall command for frontend-2 package.

As yarn install is called more often than yarn build:public in CI, we hope to reduce some time by moving this postinstall instructions from yarn to the less frequently run yarn build:public command.

DX change: When developing bothyarn and yarn build:public we now expect both commands be run by developers.

Changes:

• @speckle/frontend-2 postinstall steps are now run via yarn build:public
• Within package.json, the yarn workspaces foreach flags are now longhand to make them readable.
• packages/server/.mocharc.js - remove unnecessary search for .spec.js files which no longer exist

To-do before merge:

Screenshots:

Validation of changes:

Checklist:

• My pull request follows the guidelines in the Contributing guide?
• My pull request does not duplicate any other open Pull Requests for the same update/change?
• My commits are related to the pull request and do not amend unrelated code or documentation.
• My code follows a similar style to existing code.
• I have added appropriate tests.
• I have updated or added relevant documentation.

References

[linear]

WEB-3479 Reduce `yarn` postinstall steps

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.35%. Comparing base (7b72968) to head (bf5e200).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4793   +/-   ##
=======================================
  Coverage   70.35%   70.35%           
=======================================
  Files         578      578           
  Lines       25022    25022           
  Branches     3729     3729           
=======================================
  Hits        17604    17604           
  Misses       6250     6250           
  Partials     1168     1168           

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