Add total sum to mempool chart.

Add zoom tools.
Add different theme for charts `big` and `small` (default).
Fix date format on mouseover.
Fix animations on graphs page.
Fix overflow tv page.
Remove `crosshair` on mouseover, changed to `line`.
Fix custom tooltip styles.
Remove inverted button (will add in a future PR).
Remove fee range labels (will add in a future PR).
Fix e2e testing.

frontend/src/app/components/statistics/statistics.component.html

@@ -36,25 +36,36 @@
                 <input ngbButton type="radio" [value]="'1y'" [routerLink]="['/graphs' | relativeUrl]" fragment="1y"> 1Y
               </label>
             </div>
-            <!-- <button (click)="invertGraph()" class="btn btn-primary btn-sm ml-2 d-none d-md-inline"><fa-icon [icon]="['fas', 'exchange-alt']" [rotate]="90" [fixedWidth]="true" i18n-title="statistics.component-invert.title" title="Invert"></fa-icon></button> -->
           </form>
         </div>
         <div class="card-body">
           <div class="incoming-transactions-graph">
-            <app-mempool-graph dir="ltr" [limitFee]="1200" [height]="550" [left]="60" [data]="mempoolStats"></app-mempool-graph>
+            <app-mempool-graph
+              dir="ltr"
+              [size]="'big'"
+              [limitFee]="1200"
+              [height]="500"
+              [left]="60"
+              [data]="mempoolStats"
+            ></app-mempool-graph>
           </div>
         </div>
       </div>
     </div>
 
-    <div class="col-lg-12">
+    <div>
       <div class="card mb-3" *ngIf="mempoolTransactionsWeightPerSecondData">
         <div class="card-header">
             <i class="fa fa-area-chart"></i> <span i18n="statistics.transaction-vbytes-per-second">Transaction vBytes per second (vB/s)</span>
         </div>
         <div class="card-body">
           <div class="incoming-transactions-graph">
-            <app-incoming-transactions-graph [height]="500" [data]="mempoolTransactionsWeightPerSecondData"></app-incoming-transactions-graph>
+            <app-incoming-transactions-graph
+              [height]="500"
+              [left]="60"
+              [size]="'big'"
+              [data]="mempoolTransactionsWeightPerSecondData"
+            ></app-incoming-transactions-graph>
           </div>
         </div>
       </div>