filezilla: enable strictDeps, fix xdg-utils

xdg-utils should be on the PATH at runtime

pkgs/by-name/fi/filezilla/package.nix

@@ -33,12 +33,14 @@ stdenv.mkDerivation {
   configureFlags = [
     "--disable-manualupdatecheck"
     "--disable-autoupdatecheck"
+    "--with-wx-prefix=${wxwidgets_3_2}"
   ];
 
   nativeBuildInputs = [
     autoreconfHook
     pkg-config
     wrapGAppsHook3
+    xdg-utils
   ];
 
   buildInputs = [
@@ -52,13 +54,19 @@ stdenv.mkDerivation {
     pugixml
     sqlite
     tinyxml
-    wxwidgets_3_2
     gtk3
-    xdg-utils
   ];
 
+  strictDeps = true;
+
   enableParallelBuilding = true;
 
+  preFixup = ''
+    gappsWrapperArgs+=(
+      --suffix PATH : "${lib.makeBinPath [ xdg-utils ]}"
+    )
+  '';
+
   meta = {
     homepage = "https://filezilla-project.org/";
     description = "Graphical FTP, FTPS and SFTP client";