[appimage] improvement: faster reading of installed applications

CHANGELOG.md

@@ -25,6 +25,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
           <img src="https://raw.githubusercontent.com/vinifmor/bauh-files/master/pictures/releases/0.9.22/missing_type_dep.png">
         </p>
 
+- AppImage
+  - faster reading of installed applications (subprocess call replaced by Python call)
+  
 - Web
   - the Electron builds cache directory has been moved to the environment directory `~/.local/share/bauh/web/env/electron`
    

bauh/gems/appimage/controller.py

@@ -254,11 +254,11 @@ class AppImageManager(SoftwareManager):
         res = SearchResult(installed_apps, [], 0)
 
         if os.path.exists(INSTALLATION_DIR):
-            installed = run_cmd(f'ls {INSTALLATION_DIR}/*/data.json', print_error=False)
+            installed = glob.glob(f'{INSTALLATION_DIR}/*/data.json')
 
             if installed:
                 names = set()
-                for path in installed.split('\n'):
+                for path in installed:
                     if path:
                         with open(path) as f:
                             app = AppImage(installed=True, i18n=self.i18n, custom_actions=self.custom_app_actions, **json.loads(f.read()))