GH-18288: Allow configuring unsafe-eval and unsafe-inline (#18801)

* GH-18288: Allow configuring unsafe-eval and unsafe-inline

* Add developer flags to telemetry

* wip

* wip

* Refactor based on review

* Refactor based on review

* fix expected vs. actual in assert.Equal

* Add unit tests, rework to check only supported flags.

* Update model/config.go

Co-authored-by: Jesse Hallam <jesse@thehallams.ca>

* Fix failing tests

* Refactor based on review

* Refactor based on review

* Refactor based on review

Co-authored-by: Jesse Hallam <jesse.hallam@gmail.com>
Co-authored-by: Jesse Hallam <jesse@thehallams.ca>

services/telemetry/telemetry.go

@@ -373,6 +373,7 @@ func (ts *TelemetryService) trackConfig() {
 		"experimental_enable_authentication_transfer":             *cfg.ServiceSettings.ExperimentalEnableAuthenticationTransfer,
 		"enable_testing":                                          cfg.ServiceSettings.EnableTesting,
 		"enable_developer":                                        *cfg.ServiceSettings.EnableDeveloper,
+		"developer_flags":                                         isDefault(*cfg.ServiceSettings.DeveloperFlags, model.ServiceSettingsDefaultDeveloperFlags),
 		"enable_multifactor_authentication":                       *cfg.ServiceSettings.EnableMultifactorAuthentication,
 		"enforce_multifactor_authentication":                      *cfg.ServiceSettings.EnforceMultifactorAuthentication,
 		"enable_oauth_service_provider":                           cfg.ServiceSettings.EnableOAuthServiceProvider,