unified-storage: add feature flag to use ngram for indexing (#111265)

* unified-storage: add feature flag to use ngram instead of edge-ngram for indexing

packages/grafana-data/src/types/featureToggles.gen.ts

@@ -692,6 +692,10 @@ export interface FeatureToggles {
   */
   unifiedStorageSearchSprinkles?: boolean;
   /**
+  * Use full n-gram indexing instead of edge n-gram for unified storage search
+  */
+  unifiedStorageUseFullNgram?: boolean;
+  /**
   * Pick the dual write mode from database configs
   */
   managedDualWriter?: boolean;