Firefox : Move from common to desktop.

module/desktop/App.nix

@@ -1,6 +1,10 @@
 { pkgs, ... } @args: let
 	mangohud = import ./mangohud args;
 in {
+	imports = [
+		./firefox
+	];
+
 	xdg.mime.defaultApplications = {
 		# Use `file -i file.txt` to find file mime type.
 		# Use `xdg-mime query default "text/plain"` to find default app.

module/desktop/firefox/Config.nix

@@ -1,5 +1,5 @@
 { util, ... }: {
-	config = util.trimTabs ''
+	text = util.trimTabs ''
 		// Bookmarks.
 		lockPref("browser.microsummary.enabled",          true);
 		lockPref("browser.places.importBookmarksHTML",    true);

module/desktop/firefox/default.nix

@@ -1,5 +1,5 @@
 { pkgs, util, ... } @args: let
-	firefox = import ./firefox args;
+	config = import ./Config.nix args;
 
 	mkExtension = url: {
 		installation_mode = "force_installed";
@@ -18,7 +18,7 @@ in {
 		enable  = true;
 		package = pkgs.firefox-esr;
 		languagePacks = [ "en-US" "ru" ];
-		autoConfig = firefox.config;
+		autoConfig = config.text;
 		policies = {
 			ManagedBookmarks = [
 				{ toplevel_name = "Pin"; }