feat(REQ-3340) - 调整API的请求方式

workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java

@@ -104,7 +104,7 @@ public class PrintAdminController implements PrintAdminApi {
 
     @Operation(summary = "查询指定流程实例是否能使用打印")
     @Override
-    @PostMapping("/template/exists")
+    @GetMapping("/template/exists")
     public CommonResponse<Boolean> hasPrintTemplate(@NotBlank(message = "流程实例不能为空") @RequestParam String processInstanceId) {
         return CommonResponse.success(bpmnProcessInstanceService.hasPrintTemplate(processInstanceId, null));
     }