fix: collect imagePaths from messageHistoryWithPrompt, not full history

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: NorbertKlockiewicz

packages/react-native-executorch/src/controllers/LLMController.ts

@@ -369,7 +369,7 @@ export class LLMController {
         // eslint-disable-next-line camelcase
         { tools_in_user_message: false, add_generation_prompt: true }
       );
-      const imagePaths = updatedHistory
+      const imagePaths = messageHistoryWithPrompt
         .filter((m) => m.mediaPath)
         .map((m) => m.mediaPath!);
       response = await this.forward(renderedPrompt, imagePaths);