Revert "zsh: move setEnvironment stuff to zprofile"

This reverts commit 77a6cbb1c1.

nixos/modules/programs/zsh/zsh.nix

@@ -108,6 +108,8 @@ in
         if [ -n "$__ETC_ZSHENV_SOURCED" ]; then return; fi
         export __ETC_ZSHENV_SOURCED=1
 
+        ${config.system.build.setEnvironment.text}
+
         ${cfge.shellInit}
 
         ${cfg.shellInit}
@@ -127,8 +129,6 @@ in
         if [ -n "$__ETC_ZPROFILE_SOURCED" ]; then return; fi
         __ETC_ZPROFILE_SOURCED=1
 
-        ${config.system.build.setEnvironment.text}
-
         ${cfge.loginShellInit}
 
         ${cfg.loginShellInit}