[Chat] Disable font scaling on fixed-height chat invite cards (#10744)

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

src/components/Post/Embed/ChatInviteEmbed.tsx

@@ -23,7 +23,7 @@ export function ChatInviteEmbed({
   style?: StyleProp<ViewStyle>
 }) {
   return (
-    <ChatInvite.Root code={code}>
+    <ChatInvite.Root code={code} hasFixedHeight>
       <ChatInviteEmbedBody link={link} onOpen={onOpen} style={style} />
     </ChatInvite.Root>
   )

src/components/Post/Embed/JoinRequestEmbed.tsx

@@ -31,7 +31,10 @@ export function JoinRequestEmbed({
   if (!resolvedCode) return null
 
   return (
-    <ChatInvite.Root code={resolvedCode} initialPreview={preview}>
+    <ChatInvite.Root
+      code={resolvedCode}
+      initialPreview={preview}
+      hasFixedHeight>
       <JoinRequestEmbedBody style={style} onOpen={onOpen} />
     </ChatInvite.Root>
   )