find icons if cwd is not in the program root

main.py

@@ -4,7 +4,6 @@ import signal
 from PySide6 import QtCore
 from PySide6.QtWidgets import QApplication
 from PySide6.QtCore import QTimer
-from PySide6.QtGui import QIcon
 import sys
 
 import constants
@@ -12,6 +11,8 @@ from src.pluginregistry import PluginRegistry
 
 import gettext
 
+from src.ui.icon import Icon
+
 gettext.install('krowlog', 'locale')
 
 logging.basicConfig(level=logging.INFO)
@@ -31,7 +32,7 @@ def stop_signal(signum, _stackframe):
 
 if __name__ == "__main__":
     app = QApplication(sys.argv)
-    app.setWindowIcon(QIcon(constants.krow_icon))  # works only for Linux
+    app.setWindowIcon(Icon(constants.krow_icon))  # works only for Linux
 
     # make icon appear in Windows
     # see https://stackoverflow.com/questions/1551605/how-to-set-applications-taskbar-icon-in-windows-7/1552105#1552105