rofi-rbw: add previously implicit dependency to rbw

pkgs/applications/misc/rofi-rbw/default.nix

@@ -1,4 +1,4 @@
-{ lib, buildPythonApplication, fetchFromGitHub, configargparse, setuptools, poetry-core }:
+{ lib, buildPythonApplication, fetchFromGitHub, configargparse, setuptools, poetry-core, rbw }:
 
 buildPythonApplication rec {
   pname = "rofi-rbw";
@@ -21,6 +21,10 @@ buildPythonApplication rec {
 
   pythonImportsCheck = [ "rofi_rbw" ];
 
+  preFixup = ''
+    makeWrapperArgs+=(--prefix PATH : ${lib.makeBinPath [ rbw ]})
+  '';
+
   meta = with lib; {
     description = "Rofi frontend for Bitwarden";
     homepage = "https://github.com/fdw/rofi-rbw";