Disable sandbox on Linux

Ref: https://github.com/jitsi/jitsi-meet-electron/issues/231

.travis.yml

@@ -19,11 +19,9 @@ matrix:
             - libxtst-dev
 
 before_script:
-  - | # Fix chrome-sandbox: https://github.com/electron/electron/issues/17972
+  - | # Disable sandbox: https://github.com/electron/electron/issues/17972
       if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
-        echo "Fixing chrome-sandbox permissions..."
-        sudo chown root ./node_modules/electron/dist/chrome-sandbox
-        sudo chmod 4755 ./node_modules/electron/dist/chrome-sandbox
+        patch -p1 -i patches/app-builder-lib+22.3.6.patch
       fi
 script:
   - npm run dist

patches/app-builder-lib+22.3.6.patch

@@ -0,0 +1,13 @@
+diff --git a/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js b/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
+index 6e674b9..8e5be4f 100644
+--- a/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
++++ b/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
+@@ -135,7 +135,7 @@ class LinuxTargetHelper {
+         exec += executableArgs.join(" ");
+       }
+ 
+-      exec += " %U";
++      exec += " --no-sandbox %U";
+     }
+ 
+     const desktopMeta = Object.assign(Object.assign({