AzureVectorStore Fix - when not initializing schema, create searchClient from index name

Author: markpollack

vector-stores/spring-ai-azure-store/src/main/java/org/springframework/ai/vectorstore/azure/AzureVectorStore.java

@@ -332,8 +332,10 @@ private record AzureSearchDocument(String id, String content, List<Double> embed
 	@Override
 	public void afterPropertiesSet() throws Exception {
 
-		if (!this.initializeSchema)
+		if (!this.initializeSchema) {
+			this.searchClient = this.searchIndexClient.getSearchClient(this.indexName);
 			return;
+		}
 
 		int dimensions = this.embeddingModel.dimensions();