fix: select dropdown icon is not clickable (#368)

Author: ctlai95

src/styles/components/_form-input.scss

@@ -136,7 +136,7 @@
             & + select {
                 position: absolute;
                 left: 0;
-                width: 100%;
+                width: 100% !important;
                 cursor: pointer;
             }
         }