Fix: Allow compliance webhooks with legacy install flow

[dmerand]

Patch version of #6108

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	78% (-0.19% 🔻)	13018/16689
🟡	Branches	72.15% (-0% 🔻)	6346/8795
🟡	Functions	78.13% (-0.21% 🔻)	3373/4317
🟡	Lines	78.41% (-0.18% 🔻)	12327/15722

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / breakdown-extensions.ts	96.77% (-0.08% 🔻)	84.38% (-0.47% 🔻)	100%	100%
🔴	... / app-management-client.ts	47.38% (-3.23% 🔻)	43.06% (-3.52% 🔻)	43.64% (-1.82% 🔻)	46.36% (-3.48% 🔻)
🟢	... / errors.ts	94.74% (-0.13% 🔻)	85.71% (-0.4% 🔻)	100%	94.74% (-0.13% 🔻)
🔴	... / theme-command.ts	38.78% (-42.31% 🔻)	12.5% (-38.93% 🔻)	40% (-36.47% 🔻)	42.22% (-40.63% 🔻)
🟢	... / proxy.ts	91.2% (-0.21% 🔻)	78.87% (+0.79% 🔼)	90%	90.74% (-0.25% 🔻)
🟢	... / storefront-renderer.ts	90.2% (-0.54% 🔻)	76.47% (-2.48% 🔻)	83.33%	90.2% (-0.54% 🔻)

Test suite run success

3049 tests passing in 1314 suites.

Report generated by 🧪jest coverage report action from 4fb444a