hoist remove prompt out of conditional

confirming the prompt optimistically drops the row, which would unmount
the prompt mid-close and race the dismiss animation on native. only the
button needs gating behind showRemoveButton.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/screens/Messages/ConversationSettings/Member.tsx

@@ -153,7 +153,6 @@ export function Member({
           </ProfileCard.Outer>
         </ProfileCard.Link>
         {showRemoveButton ? (
-          <>
           <Button
             label={l`Remove ${displayName} from this group chat`}
             size="tiny"
@@ -163,12 +162,6 @@ export function Member({
               <Trans>Remove</Trans>
             </ButtonText>
           </Button>
-            <RemoveMemberPrompt
-              control={removeMemberPrompt}
-              displayName={displayName}
-              onConfirm={() => removeMembers({members: [profile.did]})}
-            />
-          </>
         ) : isSelf || isFollowing || isBlockedOrBlocking(profile) ? null : (
           <SimpleInlineLinkText
             label={l`Follow ${displayName}`}
@@ -179,6 +172,14 @@ export function Member({
         )}
         {statusBadge}
       </View>
+      {/* Mounted outside the showRemoveButton conditional: confirming the
+          prompt optimistically drops this row, so gating the prompt on the
+          button would unmount it mid-close and race the dismiss animation. */}
+      <RemoveMemberPrompt
+        control={removeMemberPrompt}
+        displayName={displayName}
+        onConfirm={() => removeMembers({members: [profile.did]})}
+      />
     </SubtleHoverWrapper>
   )
 }