Authorized route migration for routes owned by @elastic/security-thre…

…at-hunting-explore (elastic#198191)

### Authz API migration for authorized routes

This PR migrates `access:<privilege>` tags used in route definitions to
new security configuration.
Please refer to the documentation for more information: [Authorization
API](https://docs.elastic.dev/kibana-dev-docs/key-concepts/security-api-authorization)

### **Before migration:**
Access control tags were defined in the `options` object of the route:

```ts
router.get({
  path: '/api/path',
  options: {
    tags: ['access:<privilege_1>', 'access:<privilege_2>'],
  },
  ...
}, handler);
```

### **After migration:**
Tags have been replaced with the more robust
`security.authz.requiredPrivileges` field under `security`:

```ts
router.get({
  path: '/api/path',
  security: {
    authz: {
      requiredPrivileges: ['<privilege_1>', '<privilege_2>'],
    },
  },
  ...
}, handler);
```

### What to do next?
1. Review the changes in this PR.
2. You might need to update your tests to reflect the new security
configuration:
  - If you have tests that rely on checking `access` tags.
  - If you have snapshot tests that include the route definition.
- If you have FTR tests that rely on checking unauthorized error
message. The error message changed to also include missing privileges.

## Any questions?
If you have any questions or need help with API authorization, please
reach out to the `@elastic/kibana-security` team.

x-pack/plugins/ecs_data_quality_dashboard/server/routes/get_ilm_explain.ts

@@ -19,7 +19,11 @@ export const getILMExplainRoute = (router: IRouter, logger: Logger) => {
     .get({
       path: GET_ILM_EXPLAIN,
       access: 'internal',
-      options: { tags: ['access:securitySolution'] },
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
+      },
     })
     .addVersion(
       {

x-pack/plugins/ecs_data_quality_dashboard/server/routes/get_index_mappings.ts

@@ -19,7 +19,11 @@ export const getIndexMappingsRoute = (router: IRouter, logger: Logger) => {
     .get({
       path: GET_INDEX_MAPPINGS,
       access: 'internal',
-      options: { tags: ['access:securitySolution'] },
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
+      },
     })
     .addVersion(
       {

x-pack/plugins/ecs_data_quality_dashboard/server/routes/get_index_stats.ts

@@ -26,7 +26,11 @@ export const getIndexStatsRoute = (router: IRouter, logger: Logger) => {
     .get({
       path: GET_INDEX_STATS,
       access: 'internal',
-      options: { tags: ['access:securitySolution'] },
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
+      },
     })
     .addVersion(
       {

x-pack/plugins/ecs_data_quality_dashboard/server/routes/results/get_index_results.ts

@@ -87,7 +87,11 @@ export const getIndexResultsRoute = (
     .get({
       path: GET_INDEX_RESULTS,
       access: 'internal',
-      options: { tags: ['access:securitySolution'] },
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
+      },
     })
     .addVersion(
       {

x-pack/plugins/ecs_data_quality_dashboard/server/routes/results/get_index_results_latest.ts

@@ -41,7 +41,11 @@ export const getIndexResultsLatestRoute = (
     .get({
       path: GET_INDEX_RESULTS_LATEST,
       access: 'internal',
-      options: { tags: ['access:securitySolution'] },
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
+      },
     })
     .addVersion(
       {

x-pack/plugins/ecs_data_quality_dashboard/server/routes/results/post_index_results.ts

@@ -24,7 +24,11 @@ export const postIndexResultsRoute = (
     .post({
       path: POST_INDEX_RESULTS,
       access: 'internal',
-      options: { tags: ['access:securitySolution'] },
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
+      },
     })
     .addVersion(
       {