group manager scrollable bug fix.

frontend/src/pages/UserManagerPage.jsx

@@ -623,7 +623,7 @@ export default function UserManagerPage({ isMobile = false, onProfile, onHelp, o
         {/* Content */}
         {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="new-password"
             on individual inputs is ignored by Chrome but respected on the form element */}
-        <form autoComplete="new-password" onSubmit={e => e.preventDefault()}>
+        <form autoComplete="new-password" onSubmit={e => e.preventDefault()} style={{ flex:1, display:'flex', flexDirection:'column', overflow:'hidden', minHeight:0 }}>
         <div style={{ flex:1, display:'flex', flexDirection:'column', overflow:'hidden', minHeight:0, background:'var(--background)' }}>
 
           {/* LIST VIEW */}