fix: credit_manage 弹窗提交后不关闭导致重复提交

set_credit_form.ui 用了无效的 actiontype:'close' 来关闭弹窗，
表单提交后弹窗不关，操作员以为失败重复提交。

修复:
- set_credit_form.ui: 移除无效的 actiontype:'close' bind
- credit_manage.ui: popup_options.dismiss_events 加上'submited'，
  Form 提交成功后自动关闭弹窗（2处弹窗：新增授信 + 调整）

wwwroot/credit_limit/api/set_credit_form.ui

@@ -41,10 +41,5 @@
             }
         ]
     },
-    "binds": [{
-        "wid": "self",
-        "event": "submit",
-        "actiontype": "close",
-        "target": "PopupWindow"
-    }]
+    "binds": []
 }

wwwroot/credit_limit/credit_manage.ui

@@ -41,7 +41,7 @@
                             "title": "新增客户授信",
                             "width": "480px",
                             "height": "520px",
-                            "dismiss_events": ["cancel"]
+                            "dismiss_events": ["cancel", "submited"]
                         },
                         "options": {
                             "url": "{{entire_url('/accounting/credit_limit/api/set_credit_form.ui')}}"
@@ -251,7 +251,7 @@
                                             "title": "调整授信额度",
                                             "width": "480px",
                                             "height": "520px",
-                                            "dismiss_events": ["cancel"]
+                                            "dismiss_events": ["cancel", "submited"]
                                         },
                                         "options": {
                                             "url": "{{entire_url('/accounting/credit_limit/api/set_credit_form.ui')}}",