feat(opentrons-ai-client): add hidden feature flags

[shlokamin]

Overview

This PR adds client side feature flags to opentrons ai. To enable the feature flags, open up your browser console and call enablePrereleaseMode(). This will make a settings button show up in the header, which you can use to toggle feature flags.

Closes AUTH-1789

Changelog

• Add frontend feature flags

Risk assessment

Low

[codecov]

Codecov Report

Attention: Patch coverage is 42.30769% with 15 lines in your changes missing coverage. Please review.

Project coverage is 23.51%. Comparing base (e40dc6f) to head (adc0c36).
Report is 31 commits behind head on edge.

Files with missing lines	Patch %	Lines
components/src/controls/ToggleButton.tsx	42.30%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             edge   #18198      +/-   ##
==========================================
- Coverage   23.57%   23.51%   -0.06%     
==========================================
  Files        3038     3041       +3     
  Lines      254591   255463     +872     
  Branches    25634    25712      +78     
==========================================
+ Hits        60010    60066      +56     
- Misses     194566   195382     +816     
  Partials       15       15              

Flag	Coverage Δ
protocol-designer	18.99% <42.30%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
components/src/controls/index.ts	100.00% <ø> (ø)
components/src/controls/ToggleButton.tsx	44.82% <42.30%> (+23.39%)	⬆️

... and 33 files with indirect coverage changes

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[Elyorcv]

Awesome! I believe this is going to be used a lot down the line. LGTM!

I understand that we use the flag enablePrereleaseMode to control whether 'fake' is true/false after this merge?

[shlokamin]

I understand that we use the flag enablePrereleaseMode to control whether 'fake' is true/false after this merge?

almost! we will read the state of enablePDProtocolGeneration, if that is true, we can then provide the fake key in the request payload