backup-log-view: Make Complete Log expandable and with an icon to copy the content

Duplicati/Server/webroot/ngax/less/style.less

@@ -212,11 +212,6 @@ wait-area {
     .four {
         grid-row: 3;
         margin-bottom: 10px;
-        
-        .prewrapped-text {
-            max-height: 200px;
-            overflow-y: auto;
-        }
     }
 
 }

Duplicati/Server/webroot/ngax/templates/backup-result/box.html

@@ -27,7 +27,14 @@
             ng-include="'templates/backup-result/message-list.html'"></span>
     </div>
     <div class="box item wide four">
-        <span class="key" translate>Complete log</span>
-        <div class="prewrapped-text exceptiontext">{{ item.Formatted }}</div>
+        <span ng-click="log_expanded = !log_expanded" class="key" ng-style="{ cursor: 'pointer' }" translate>
+            Complete log
+            <i class="fa fa-angle-{{log_expanded ? 'up': 'down'}}"></i>
+        </span>
+        
+        <a href ng-show="log_expanded" ngclipboard data-clipboard-action="copy" data-clipboard-target="#result-log-{{item.Result.ID}}">
+            <i class="fa fa-clipboard"></i> 
+        </a>
+        <div ng-show="log_expanded" id="result-log-{{item.Result.ID}}" class="prewrapped-text exceptiontext">{{ item.Formatted }}</div>
     </div>
 </div>