-text/html=brave-browser.desktop
-x-scheme-handler/http=brave-browser.desktop
-x-scheme-handler/https=brave-browser.desktop
-x-scheme-handler/about=brave-browser.desktop
-x-scheme-handler/unknown=brave-browser.desktop
+text/html=firefox.desktop
+x-scheme-handler/http=firefox.desktop
+x-scheme-handler/https=firefox.desktop
+x-scheme-handler/about=firefox.desktop
+x-scheme-handler/unknown=firefox.desktop