[flatpak] fix -> some env vars not available during the launch process

CHANGELOG.md

@@ -76,7 +76,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
      <p align="center">
         <img src="https://raw.githubusercontent.com/vinifmor/bauh-files/master/pictures/releases/0.9.7/flatpak_refs.png">
      </p>
-     - some environment variables are not available during the common operations (install, upgrade, downgrade, uninstall)
+     - some environment variables are not available during the common operations (install, upgrade, downgrade, uninstall, launch)
      - minor fixes
 - Snap
     - some environment variables are not available during the common operations (install, upgrade, downgrade, uninstall, launch)

bauh/gems/flatpak/flatpak.py

@@ -1,3 +1,4 @@
+import os
 import re
 import subprocess
 import traceback
@@ -384,7 +385,7 @@ def list_remotes() -> Dict[str, Set[str]]:
 
 
 def run(app_id: str):
-    subprocess.Popen(['flatpak', 'run', app_id])
+    subprocess.Popen(['flatpak run {}'.format(app_id)], shell=True, env={**os.environ})
 
 
 def map_update_download_size(app_ids: Iterable[str], installation: str, version: str) -> Dict[str, int]: