fix: show overflow notification action buttons hidden on small screens

by setting `overflow-x: auto`

web/src/components/theme.js

@@ -17,6 +17,13 @@ const baseThemeOptions = {
         },
       },
     },
+    MuiCardActions: {
+      styleOverrides: {
+        root: {
+          overflowX: "auto",
+        },
+      },
+    },
   },
 };