[Glitch] Add expand/compress image button on image view box

Port 6a2db10f76 to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/styles/components/index.scss

@@ -425,6 +425,20 @@
   align-items: center;
   justify-content: center;
   flex-direction: column;
+  scrollbar-width: none; /* Firefox */
+  -ms-overflow-style: none;  /* IE 10+ */
+
+  * {
+    scrollbar-width: none; /* Firefox */
+    -ms-overflow-style: none;  /* IE 10+ */
+  }
+
+  &::-webkit-scrollbar,
+  *::-webkit-scrollbar {
+    width: 0;
+    height: 0;
+    background: transparent; /* Chrome/Safari/Webkit */
+  }
 
   .image-loader__preview-canvas {
     max-width: $media-modal-media-max-width;