fix(api,dashboard): Correct variable generation and parsing #10519

Job	Run time
Find LaunchDarkly feature flags in diff	54s
Dependency review	7s
Spell check	28s
Get Affected Packages	1m 34s
Unit test backend services (@novu/api)	4m 9s
Unit test @novu public NPM packages (except providers)	0s
Unit test @novu/providers	0s
Validate OpenAPI	2m 59s
E2E test Web app	0s
E2E test Widget	0s
Unit test @novu internal packages	0s
E2E test Dashboard app / e2e_dashboard (1, 4)	14m 37s
E2E test Dashboard app / e2e_dashboard (2, 4)	15m 5s
E2E test Dashboard app / e2e_dashboard (3, 4)	16m 17s
E2E test Dashboard app / e2e_dashboard (4, 4)	15m 24s
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	12m 57s
E2E test API (novu/api-ee) / Test E2E	13m 33s
E2E test Dashboard app / merge-reports	14s
	1h 38m 20s

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