fix: VertixAiEmbeddingConnectionDetails not injected when using vertex-ai-embedding starter

Signed-off-by: Nguyen Tran (Mark) <nguyen.trantrung@navercorp.com>

Author: Nguyen Tran (Mark)

auto-configurations/models/spring-ai-autoconfigure-model-vertex-ai/src/main/java/org/springframework/ai/model/vertexai/autoconfigure/embedding/VertexAiEmbeddingConnectionAutoConfiguration.java

@@ -16,7 +16,7 @@
 
 package org.springframework.ai.model.vertexai.autoconfigure.embedding;
 
-import com.google.cloud.vertexai.VertexAI;
+import com.google.cloud.aiplatform.v1.PredictionServiceSettings;
 
 import org.springframework.ai.vertexai.embedding.VertexAiEmbeddingConnectionDetails;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
@@ -33,10 +33,11 @@
  * @author Christian Tzolov
  * @author Mark Pollack
  * @author Ilayaperumal Gopinathan
+ * @author Nguyen Tran
  * @since 1.0.0
  */
 @AutoConfiguration
-@ConditionalOnClass(VertexAI.class)
+@ConditionalOnClass(PredictionServiceSettings.class)
 @EnableConfigurationProperties(VertexAiEmbeddingConnectionProperties.class)
 public class VertexAiEmbeddingConnectionAutoConfiguration {