fix: 修复工具提示窗口置顶问题 (#1078)

Author: qianye216

qfluentwidgets/components/widgets/tool_tip.py

@@ -78,7 +78,7 @@ def __init__(self, text='', parent=None):
         # set style
         self.setAttribute(Qt.WA_TransparentForMouseEvents)
         self.setAttribute(Qt.WA_TranslucentBackground)
-        self.setWindowFlags(Qt.Tool | Qt.FramelessWindowHint)
+        self.setWindowFlags(Qt.Tool | Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)
         self.__setQss()
 
     def text(self):