Update loading + Combine 2 api call in paging + Add dynamic font size for gauge chart

layouts/default.vue

@@ -155,9 +155,8 @@
           </v-row>
         </v-container>
         <div v-if="loadingStackCnt > 0" class="loading-container">
-          <div class="loading">
-            <Fade-loader />
-          </div>
+            <!-- <Fade-loader color="#717577" />   -->
+          <img class="loading-img" src="@/assets/images/loading.png" alt="Loading..." />
         </div>
       </v-main>
     </fullscreen>