feat(typescript-rxjs): improve condition for hasListContainers

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptRxjsClientCodegen.java

@@ -242,13 +242,13 @@ private void addConditionalImportInformation(Map<String, Object> operations) {
                 }
             }
             for (CodegenParameter param : op.queryParams) {
-                if (param.isListContainer) {
+                if (param.isListContainer && !param.isCollectionFormatMulti) {
                     hasListContainers = true;
                     break;
                 }
             }
             for (CodegenParameter param : op.formParams) {
-                if (param.isListContainer) {
+                if (param.isListContainer && !param.isCollectionFormatMulti) {
                     hasListContainers = true;
                     break;
                 }