fix: bump default facet search limit for unified search (#115690)

* fix: bump limit

* feat: add facetLimit query parameter to search API

* fix: set to 500

* fix: update snapshot

* fix: yarn generate-apis

packages/grafana-api-clients/src/clients/rtkq/dashboard/v0alpha1/endpoints.gen.ts

@@ -243,6 +243,7 @@ const injectedRtkApi = api
             type: queryArg['type'],
             folder: queryArg.folder,
             facet: queryArg.facet,
+            facetLimit: queryArg.facetLimit,
             tags: queryArg.tags,
             libraryPanel: queryArg.libraryPanel,
             permission: queryArg.permission,
@@ -663,6 +664,8 @@ export type SearchDashboardsAndFoldersApiArg = {
   folder?: string;
   /** count distinct terms for selected fields */
   facet?: string[];
+  /** maximum number of terms to return per facet (default 50, max 1000) */
+  facetLimit?: number;
   /** tag query filter */
   tags?: string[];
   /** find dashboards that reference a given libraryPanel */