feat: 选择考试窗口宽度调整

src/modules/base/components/SelectUserDialog.vue

@@ -4,7 +4,7 @@
     :visible.sync="modalIsShow"
     :title="title"
     top="10px"
-    width="600px"
+    width="900px"
     :close-on-click-modal="false"
     :close-on-press-escape="false"
     append-to-body

src/modules/exam/components/createExamAndPrintTask/ModifyExamTaskStudent.vue

@@ -4,7 +4,7 @@
     :visible.sync="modalIsShow"
     title="选择考试对象"
     top="10vh"
-    width="680px"
+    width="900px"
     :close-on-click-modal="false"
     :close-on-press-escape="false"
     append-to-body