Postgres: Fix add button (#25087)

Previously the add button on the postgres UI would break after the first usage. This was due to the button not being fully reset after use.

(cherry picked from commit 231a32c4a3)

public/app/plugins/datasource/postgres/query_ctrl.ts

@@ -208,10 +208,12 @@ export class PostgresQueryCtrl extends QueryCtrl {
     }
   }
 
-  resetPlusButton(button: { html: any; value: any }) {
+  resetPlusButton(button: { html: any; value: any; type: any; fake: any }) {
     const plusButton = this.uiSegmentSrv.newPlusButton();
     button.html = plusButton.html;
     button.value = plusButton.value;
+    button.type = plusButton.type;
+    button.fake = plusButton.fake;
   }
 
   getTableSegments() {