Image upload widget

src/lib/components/AccordionContainer.svelte

@@ -78,7 +78,7 @@
                             <div class="animation-wrapper"
                                  class:hidden={hidden}
                                  animate:flip={{duration:flipDurationMs}}
-                                 style={item?.attrs?.flexGrow ? `flex-grow: ${item.attrs.flexGrow}` : ""}
+                                 style={item?.attrs?.style || ""}
                             >
                                 <WidgetContainer dragItem={item} zIndex={zIndex+1} {isMobile} />
                                 {#if item[SHADOW_ITEM_MARKER_PROPERTY_NAME]}
@@ -183,6 +183,7 @@
  .animation-wrapper {
      position: relative;
      flex-grow: 100;
+     flex-basis: 0;
  }
 
  .handle-widget:hover {