Make watermark not draggable.

src/components/gui/gui.css

@@ -283,6 +283,7 @@ $fade-out-distance: 15px;
 .watermark {
     position: absolute;
     top: 1.25rem;
+    pointer-events: none;
 }
 
 [dir="ltr"] .watermark {

src/components/watermark/watermark.css

@@ -5,5 +5,4 @@
     max-width: 48px;
     max-height: 48px;
     opacity: 0.35;
-    pointer-events: none;
 }