refactor: generate application secret on creation

[gao-sun]

Summary

• generate a default secret for certain application creations
• add hasSecrets util to check if an application type should have secrets

Testing

updated integration tests accordingly

Checklist

• [ ] .changeset
• [ ] unit tests
• [x] integration tests
• [x] necessary TSDoc comments

[github-actions[bot]]

COMPARE TO master

Total Size Diff :chart_with_upwards_trend: +950 Bytes

Diff by File

|Name|Diff| |---|---| |packages/console/src/pages/ApplicationDetails/ApplicationDetailsContent/EndpointsAndCredentials.tsx|:chart_with_upwards_trend: +111 Bytes| |packages/core/src/__mocks__/index.ts|:chart_with_upwards_trend: +35 Bytes| |packages/core/src/routes/applications/application.test.ts|:chart_with_upwards_trend: +47 Bytes| |packages/core/src/routes/applications/application.ts|:chart_with_upwards_trend: +134 Bytes| |packages/integration-tests/src/tests/api/application/application.secrets.test.ts|:chart_with_upwards_trend: +508 Bytes| |packages/schemas/src/utils/application.ts|:chart_with_upwards_trend: +303 Bytes| |packages/schemas/src/utils/index.ts|:chart_with_upwards_trend: +34 Bytes|