fix: invite loading indicator to proper size

app/src/main/java/chat/revolt/activities/InviteActivity.kt

@@ -5,6 +5,7 @@ import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -152,7 +153,17 @@ fun InviteScreen(
                 NoInviteSpecifiedError(onDismissRequest = onFinish)
             } else {
                 if (inviteValid == null) {
-                    CircularProgressIndicator()
+                    Column(
+                        modifier = Modifier
+                            .fillMaxSize(),
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        verticalArrangement = Arrangement.Center
+                    ) {
+                        CircularProgressIndicator(
+                            modifier = Modifier
+                                .size(48.dp)
+                        )
+                    }
                 } else if (!inviteValid || viewModel.joinResult?.err == true) {
                     InvalidInviteError(
                         error = viewModel.inviteResult?.error ?: viewModel.joinResult?.error,