feat(dashboard): Implement email step editor & small preview #9971

Job	Run time
Find LaunchDarkly feature flags in diff	40s
Dependency review	15s
Get Affected Packages	2m 44s
Spell check	29s
Unit test @novu internal packages	4m 55s
Unit test @novu public NPM packages (except providers)	9m 32s
Unit test @novu/providers	0s
Unit test backend services (@novu/worker)	3m 39s
Validate OpenAPI	3m 4s
Unit test backend services (@novu/api)	3m 30s
Unit test backend services (@novu/inbound-mail)	3m 2s
Unit test backend services (@novu/ws)	3m 34s
Unit test backend services (nestjs)	2m 30s
E2E test Dashboard app / e2e_dashboard (1, 4)	10m 36s
E2E test Dashboard app / e2e_dashboard (2, 4)	10m 24s
E2E test Dashboard app / e2e_dashboard (3, 4)	10m 23s
E2E test Dashboard app / e2e_dashboard (4, 4)	10m 28s
E2E test Widget / e2e_widget	5m 36s
E2E test Web app / e2e_web (1, 4)	7m 59s
E2E test Web app / e2e_web (2, 4)	7m 56s
E2E test Web app / e2e_web (3, 4)	7m 56s
E2E test Web app / e2e_web (4, 4)	8m 6s
E2E test API (novu/api) / Check if the secret exists or not.	1s
E2E test API (novu/api-ee) / Check if the secret exists or not.	1s
E2E test API (novu/api) / Test E2E	5m 24s
E2E test API (novu/api-ee) / Test E2E	5m 40s
E2E test Web app / merge-reports	11s
E2E test Dashboard app / merge-reports	9s
	2h 8m 44s

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