app: pass through $SHELL

Signed-off-by: Ophestra <cat@gensokyo.uk>

nixos.nix

@@ -88,14 +88,10 @@ in
 
                   conf = {
                     inherit (app) id;
-                    path =
+                    path = if app.path == null then pkgs.writeScript "${app.name}-start" ''
-                      if app.path == null then
+                      #!${pkgs.zsh}${pkgs.zsh.shellPath}
-                        pkgs.writeScript "${app.name}-start" ''
+                      ${script}
-                          #!${pkgs.zsh}${pkgs.zsh.shellPath}
+                    '' else app.path;
-                          ${script}
-                        ''
-                      else
-                        app.path;
                     args = if app.args == null then [ "${app.name}-start" ] else app.args;
 
                     confinement = {