Expand mining dashboard widgets & improve responsiveness

frontend/src/app/components/pool-ranking/pool-ranking.component.html

@@ -76,7 +76,7 @@
   </div>
 
   <div [class]="!widget ? '' : 'pb-0'" class="container pb-lg-0">
-    <div [class]="widget ? 'chart-widget' : 'chart'" echarts [initOpts]="chartInitOptions" [options]="chartOptions"
+    <div [class]="widget ? 'chart-widget' : 'chart'" [style]="{ height: widget ? (height + 'px') : null}" echarts [initOpts]="chartInitOptions" [options]="chartOptions"
       (chartInit)="onChartInit($event)">
     </div>
 

frontend/src/app/components/pool-ranking/pool-ranking.component.scss

@@ -28,7 +28,9 @@
 .chart-widget {
   width: 100%;
   height: 100%;
-  height: 240px;
+  @media (max-width: 767px) {
+    max-height: 240px;
+  }
   @media (max-width: 485px) {
     max-height: 200px;
   }

frontend/src/app/components/pool-ranking/pool-ranking.component.ts

@@ -20,6 +20,7 @@ import { isMobile } from '../../shared/common.utils';
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class PoolRankingComponent implements OnInit {
+  @Input() height: number = 300;
   @Input() widget = false;
 
   miningWindowPreference: string;