Fix sentry issue where sentry_dsn null string value should be converted to empty string

[argush3]

Issue #: /bcgov/entity###

Description of changes:

• Fix sentry_dsn config issue where null value is populated in OCP secrets when sentry_dsn is populated with empty string in 1pass. We need to initialize sentry with empty string in this case.

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[sonarcloud]

Quality Gate failed

Failed conditions
30.8% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud