activation-scripts: move createRun after checks

The checks should no longer depend on `/run`, so this avoids modifying
the system before they run.

Author: emilazy

modules/system/activation-scripts.nix

@@ -113,8 +113,8 @@ in
 
       ${cfg.activationScripts.preActivation.text}
 
-      ${cfg.activationScripts.createRun.text}
       ${cfg.activationScripts.checks.text}
+      ${cfg.activationScripts.createRun.text}
       ${cfg.activationScripts.extraActivation.text}
       ${cfg.activationScripts.groups.text}
       ${cfg.activationScripts.users.text}