nixos-modules/vmCommon: separate timed from non-timed config via mkMerge

due to Nix evaluation errors because of name clashing otherwise

nix/nixos-modules/vmCommon.nix

@@ -49,8 +49,9 @@ in
   };
 
 
-  config = lib.mkIf cfg.enable {
+  config = lib.mkIf cfg.enable (lib.mkMerge [
 
+    {
 
       # timing-related options
       # - ordered by chronological order
@@ -73,6 +74,10 @@ in
         dates = "05:30";
       };
 
+    }
+
+
+    {
 
       # all other options
 
@@ -218,7 +223,10 @@ in
       # environment.loginShellInit = "${resize}/bin/resize"; (see https://github.com/nix-community/srvos/blob/main/nixos/common/serial.nix)
 
 
-  };
+    }
+
+
+  ]);
 
 
 }