Make header collapse again

When we have to scroll up far enough we want to make more room for the score, so the header has to collapse (which was broken).

Signed-off-by: Mike Lischke <mike@lischke-online.de>

Author: mike-lischke

src/components/styles.scss

@@ -1324,9 +1324,8 @@
 .arrangementViewer {
     padding: 15px;
     overflow-x: hidden;
-    overflow-y: auto;
     user-select: none;
-    height: 100%;
+    min-height: 100%;
 
     .minimap {
         --minimap-marker-top: -4px;