MathText display: formula in the middle of a Persian sentence gets its own centered line (quiz and lessons)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/screens/LessonScreen.tsx

@@ -81,7 +81,7 @@ export function LessonScreen({ lessonId, nodeId }: { lessonId: number; nodeId?:
                       <span className="flex h-6 w-6 flex-shrink-0 items-center justify-center rounded-full text-xs font-black text-white" style={{ backgroundColor: color }}>
                         {toFa(i + 1)}
                       </span>
-                      <span className="flex-1 whitespace-pre-line"><MathText text={step} />{figs('step', i)}</span>
+                      <span className="flex-1 whitespace-pre-line"><MathText text={step} display />{figs('step', i)}</span>
                     </li>
                   ))}
                 </ol>