[fix][ui] not displaying the default type icon besides the package when its icon path does not exist

CHANGELOG.md

@@ -26,6 +26,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
     - not calling initial required tasks after enabling a new package type on settings
     - not updating the type filters if only type is available after refreshing the table
     - displaying the type filters on the search results when there is only one type available and some actions are done
+    - not displaying the default type icon besides the package when its icon path does not exist (Snap runtimes are not displaying icons)
     - minor fixes
 - Tray
     - update notifications not working on Ubuntu 18.04

bauh/view/qt/apps_table.py

@@ -409,13 +409,16 @@ class AppsTable(QTableWidget):
 
         icon_path = pkg.model.get_disk_icon_path()
         if pkg.model.installed and pkg.model.supports_disk_cache() and icon_path:
-            if icon_path.startswith('/') and os.path.isfile(icon_path):
-                with open(icon_path, 'rb') as f:
-                    icon_bytes = f.read()
-                    pixmap = QPixmap()
-                    pixmap.loadFromData(icon_bytes)
-                    icon = QIcon(pixmap)
-                    self.icon_cache.add_non_existing(pkg.model.icon_url, {'icon': icon, 'bytes': icon_bytes})
+            if icon_path.startswith('/'):
+                if os.path.isfile(icon_path):
+                    with open(icon_path, 'rb') as f:
+                        icon_bytes = f.read()
+                        pixmap = QPixmap()
+                        pixmap.loadFromData(icon_bytes)
+                        icon = QIcon(pixmap)
+                        self.icon_cache.add_non_existing(pkg.model.icon_url, {'icon': icon, 'bytes': icon_bytes})
+                else:
+                    icon = QIcon(pkg.model.get_default_icon_path())
             else:
                 try:
                     icon = QIcon.fromTheme(icon_path)