feat: destroy session after delete user (#1441)

* fix: destroy session after delete user

* feat: visual session

* fix: go lint

* feat: add translation

* feat: auto flush after offline

* fix: delete one session

* fix: move 403 page to baseListPage

util/slice.go

@@ -0,0 +1,25 @@
+// Copyright 2022 The Casdoor Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+func DeleteVal(values []string, val string) []string {
+	newValues := []string{}
+	for _, v := range values {
+		if v != val {
+			newValues = append(newValues, v)
+		}
+	}
+	return newValues
+}