Node stats updates

frontend/src/app/lightning/node/node.component.html

@@ -18,12 +18,16 @@
           <table class="table table-borderless table-striped">
             <tbody>
               <tr>
-                <td i18n="address.total-received">First Seen</td>
-                <td>{{ node.first_seen | date:'yyyy-MM-dd HH:mm' }}</td>
+                <td i18n="address.total-received">First seen</td>
+                <td>
+                  <app-time-since [dateString]="node.first_seen"></app-time-since>
+                </td>
               </tr>
               <tr>
-                <td i18n="address.total-sent">Updated At</td>
-                <td>{{ node.updated_at | date:'yyyy-MM-dd HH:mm' }}</td>
+                <td i18n="address.total-sent">Last update</td>
+                <td>
+                  <app-time-since [dateString]="node.updated_at"></app-time-since>
+                </td>
               </tr>
               <tr>
                 <td i18n="address.balance">Color</td>