Temp hack to push popover into the background

Author: ramonjd

packages/block-editor/src/components/global-styles/style.scss

@@ -199,3 +199,9 @@
 	width: 0;
 	position: absolute;
 }
+
+// Hack to push into background when the media modal is open.
+// @TODO how to target the background panel specifically?
+.modal-open .components-dropdown__content {
+	z-index: 100000;
+}