Fix app data dir not opening on macOS when "Open AppData" button pressed (#2537)

CHANGELOG.md

@@ -81,6 +81,7 @@
 - Bugfix: Fixed hidden tooltips when always on top is active (#2384)
 - Bugfix: Fix CLI arguments (`--help`, `--version`, `--channels`) not being respected (#2368, #2190)
 - Bugfix: Fix Twitch cheer emotes not displaying tooltips when hovered (#2434)
+- Bugfix: Fix directory not opening when clicking "Open AppData Directory" setting button on macOS (#2531, #2537)
 - Dev: Updated minimum required Qt framework version to 5.12. (#2210)
 - Dev: Migrated `Kraken::getUser` to Helix (#2260)
 - Dev: Migrated `TwitchAccount::(un)followUser` from Kraken to Helix and moved it to `Helix::(un)followUser`. (#2306)

src/widgets/settingspages/GeneralPage.cpp

@@ -455,7 +455,11 @@ void GeneralPage::initLayout(GeneralPageView &layout)
     layout.addDescription("All local files like settings and cache files are "
                           "store in this directory.");
     layout.addButton("Open AppData directory", [] {
+#ifdef Q_OS_DARWIN
+        QDesktopServices::openUrl("file://" + getPaths()->rootAppDataDirectory);
+#else
         QDesktopServices::openUrl(getPaths()->rootAppDataDirectory);
+#endif
     });
 
     layout.addSubtitle("Temporary files (Cache)");