fix: include inline data check for GoogleStudio (#1769)

.changeset/early-singers-look.md

+---
+"@llamaindex/google": patch
+---
+
+fix: don't ignore parts that only have inline data for google studio

packages/providers/google/src/studio/utils.ts

@@ -124,7 +124,7 @@ export const mapChatMessagesToGoogleMessages = <
     return mapMessageContentToMessageContentDetails(msg.content)
       .map((detail: MessageContentDetail): ContentUnion | null => {
         const part = mapMessageContentDetailToGooglePart(detail);
-        if (!part.text) return null;
+        if (!part.text && !part.inlineData) return null;
 
         return {
           role: msg.role === "assistant" ? "model" : "user",