If mining dashboard is enabled, shows pools instead of timestamp

frontend/src/app/components/blocks-list/blocks-list.component.html

@@ -7,7 +7,7 @@
     <table class="table table-borderless">
       <thead>
         <th class="height" [class]="widget ? 'widget' : ''" i18n="latest-blocks.height">Height</th>
-        <th class="pool text-left" [class]="widget ? 'widget' : ''" i18n="latest-blocks.mined-by">
+        <th class="pool text-left" [class]="widget ? 'widget' : ''" i18n="mining.pool-name">
           Pool</th>
         <th class="timestamp" i18n="latest-blocks.timestamp" *ngIf="!widget">Timestamp</th>
         <th class="mined" i18n="latest-blocks.mined" *ngIf="!widget">Mined</th>