PEER-248: Update Get Questions Response Type

Author: cyiting

backend/question/src/services/get/types.ts

@@ -25,7 +25,7 @@ export type IGetQuestionsResponse = IServiceResponse<{
      * - attempted?: May need joining with users table, or not
      */
   }>;
-  isLastPage?: boolean;
+  totalQuestions: number;
 }>;
 
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