fix: unescape exec before pass this arg to wordexp

Signed-off-by: ComixHe <heyuming@deepin.org>

tests/ut_escapeexec.cpp

@@ -0,0 +1,47 @@
+// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+#include "dbus/applicationservice.h"
+#include <gtest/gtest.h>
+#include <QString>
+
+TEST(UnescapeExec, blankSpace)
+{
+    QList<std::pair<QString, QList<QString>>> testCases{
+        {
+            R"(/usr/bin/hello\sworld --arg1=val1 -h --str="rrr ggg bbb")",
+            {
+                "/usr/bin/hello world",
+                "--arg1=val1",
+                "-h",
+                "--str=rrr ggg bbb",
+            },
+        },
+        {
+            R"("/usr/bin/hello world" a b -- "c d")",
+            {
+                "/usr/bin/hello world",
+                "a",
+                "b",
+                "--",
+                "c d",
+            },
+        },
+        {
+            R"("/usr/bin/hello\t\nworld" a b -- c d)",
+            {
+                "/usr/bin/hello\t\nworld",
+                "a",
+                "b",
+                "--",
+                "c",
+                "d",
+            },
+        },
+    };
+
+    for (auto &testCase : testCases) {
+        EXPECT_EQ(ApplicationService::unescapeExecArgs(testCase.first), testCase.second);
+    }
+}