Revert "fix: layer mobile widget details above header"

This reverts commit a540f07920.

packages/ui/src/theme.ts

@@ -1,6 +1,5 @@
 import { createTheme, rem } from "@mantine/core";
 
-import { modalZIndex } from "./theme/layers";
 import { modalComponent } from "./theme/modal";
 
 export const theme = createTheme({
@@ -102,11 +101,6 @@ export const theme = createTheme({
         overlayProps: { radius: "sm", blur: 2 },
       },
     },
-    Drawer: {
-      defaultProps: {
-        zIndex: modalZIndex,
-      },
-    },
     Modal: modalComponent,
   },
 });