Update type for initial state of component id

x-pack/plugins/security_solution/public/resolver/store/data/selectors.test.ts

@@ -193,14 +193,11 @@ describe('data state', () => {
       expect(selectors.isLoading(state())).toBe(true);
     });
     it('should need to fetch the second databaseDocumentID', () => {
-      expect(selectors.databaseDocumentIDToFetch(state())).toBe(firstDatabaseDocumentID);
+      expect(selectors.databaseDocumentIDToFetch(state())).toBe(secondDatabaseDocumentID);
     });
     it('should need to abort the request for the databaseDocumentID', () => {
       expect(selectors.databaseDocumentIDToFetch(state())).toBe(secondDatabaseDocumentID);
     });
-    it('should use the correct location for the first resolver', () => {
-      expect(selectors.resolverComponentInstanceID(state())).toBe(resolverComponentInstanceID1);
-    });
     it('should use the correct location for the second resolver', () => {
       expect(selectors.resolverComponentInstanceID(state())).toBe(resolverComponentInstanceID2);
     });

x-pack/plugins/security_solution/public/resolver/store/data/selectors.ts

@@ -44,7 +44,7 @@ export function isLoading(state: DataState): boolean {
  * A string for uniquely identifying the instance of resolver within the app.
  */
 export function resolverComponentInstanceID(state: DataState): string {
-  return state.resolverComponentInstanceID;
+  return state.resolverComponentInstanceID ? state.resolverComponentInstanceID : '';
 }
 
 /**

x-pack/plugins/security_solution/public/resolver/types.ts

@@ -177,7 +177,7 @@ export interface DataState {
    * The id used for the pending request, if there is one.
    */
   readonly pendingRequestDatabaseDocumentID?: string;
-  readonly resolverComponentInstanceID: string;
+  readonly resolverComponentInstanceID: string | undefined;
 
   /**
    * The parameters and response from the last successful request.