ui: better handling of tray icons

lib/solaar/ui/icons.py

@@ -88,7 +88,8 @@ def _init_icon_paths():
 
     _default_theme = Gtk.IconTheme.get_default()
     for p in _look_for_application_icons():
-        _default_theme.prepend_search_path(p)
+        if p not in _default_theme.get_search_path():
+            _default_theme.prepend_search_path(p)
     if _log.isEnabledFor(_DEBUG):
         _log.debug('icon theme paths: %s', _default_theme.get_search_path())
 

lib/solaar/ui/tray.py

@@ -181,6 +181,7 @@ try:
         return icon_info.get_filename() if icon_info else icon_name
 
     def _create(menu):
+        _icons._init_icon_paths()
         theme_paths = Gtk.IconTheme.get_default().get_search_path()
 
         ind = AppIndicator3.Indicator.new_with_path(