fix: validate grafana URL value during organization auth check #2510

Job	Run time
Linting and tests / Ensure database migrations drop columns the correct way	10s
Linting and tests / Lint entire project	1m 15s
Linting and tests / Lint, test, and build frontend	1m 40s
Linting and tests / mypy	1m 35s
Linting and tests / Lint database migrations	1m 3s
Linting and tests / Test technical documentation	19s
Linting and tests / Backend Tests: MySQL + RabbitMQ (RBAC enabled: True)	4m 38s
Linting and tests / Backend Tests: Plugin	35s
Linting and tests / Backend Tests: PostgreSQL + RabbitMQ (RBAC enabled: True)	22m 31s
Linting and tests / Backend Tests: MySQL + RabbitMQ (RBAC enabled: False)	4m 39s
Linting and tests / Backend Tests: SQLite + Redis (RBAC enabled: True)	3m 58s
Linting and tests / Backend Tests: PostgreSQL + RabbitMQ (RBAC enabled: False)	4m 22s
Linting and tests / Backend Tests: SQLite + Redis (RBAC enabled: False)	4m 16s
Linting and tests / Helm Chart Unit Tests	19s
Linting and tests / Unit tests - Migrators	19s
Snyk security scan / Snyk security scan	1m 16s
Linting and tests / Standard e2e tests (11.2.0) / Grafana: 11.2.0	8m 21s
Linting and tests / Standard e2e tests (10.3.0) / Grafana: 10.3.0	8m 1s
Linting and tests / Standard e2e tests (latest) / Grafana: latest	8m 24s
	1h 17m 41s

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