同步菜单新增、修改界面“功能权限”maxlength为100（保持与数据库字段长度一致），避免因超过50后不能录入问题

@@ -163,7 +163,7 @@
           </el-col>
           </el-col>
           <el-col :span="12">
           <el-col :span="12">
             <el-form-item v-if="form.menuType != 'M'" label="权限标识">
             <el-form-item v-if="form.menuType != 'M'" label="权限标识">
-              <el-input v-model="form.perms" placeholder="请权限标识" maxlength="50" />
+              <el-input v-model="form.perms" placeholder="请权限标识" maxlength="100" />
             </el-form-item>
             </el-form-item>
           </el-col>
           </el-col>
           <el-col :span="12">
           <el-col :span="12">