增加正则表达式转义，避免偶现的搜索UI卡死现象。

debian/patches/0007-UI.patch

@@ -0,0 +1,29 @@
+From: iaom <zhangpengfei@kylinos.cn>
+Date: Fri, 15 Jul 2022 11:47:39 +0800
+Subject: =?utf-8?b?5aKe5Yqg5q2j5YiZ6KGo6L6+5byP6L2s5LmJ77yM6YG/5YWN5YG2546w?=
+ =?utf-8?b?55qE5pCc57SiVUnljaHmrbvnjrDosaHjgII=?=
+
+---
+ frontend/view/result-view-delegate.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/frontend/view/result-view-delegate.cpp b/frontend/view/result-view-delegate.cpp
+index 17e3346..c9095a3 100644
+--- a/frontend/view/result-view-delegate.cpp
++++ b/frontend/view/result-view-delegate.cpp
+@@ -228,6 +228,7 @@ void ResultItemStyle::drawControl(QStyle::ControlElement element, const QStyleOp
+ HightLightEffectHelper::HightLightEffectHelper(QObject *parent) : QSyntaxHighlighter(parent)
+ {
+     m_expression.setCaseSensitivity(Qt::CaseInsensitive);
++    m_expression.setPatternSyntax(QRegExp::FixedString);
+ }
+ 
+ void HightLightEffectHelper::setExpression(const QString &text)
+@@ -243,7 +244,6 @@ void HightLightEffectHelper::setTextColor(const QBrush &brush)
+ void HightLightEffectHelper::highlightBlock(const QString &text)
+ {
+     setFormat(0, text.length(), m_textCharFormat);
+-
+     m_textCharFormat.setFontWeight(QFont::Bold);
+     int index = text.indexOf(m_expression);
+     while(index >= 0){

debian/patches/series

@@ -4,3 +4,4 @@
 0004-4-UI-Add-a-mainWindow-switch-dbus-interface.-Fix-125.patch
 0005-Fix-bug-127732-bug-127792-the-ukui-search-do-not-qui.patch
 0006-copyright.patch
+0007-UI.patch