Move drop and try to get it working.

flake.lock

@@ -401,11 +401,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755223400,
-        "narHash": "sha256-iUAvYWdu91xO2xBmxXmAMymKvxxs1orbbUDhaubyp24=",
+        "lastModified": 1755309441,
+        "narHash": "sha256-IMXIRodD2rQT/CyaSOp/fs2eclh3ukEZKz8HS49vBD4=",
         "owner": "fufexan",
         "repo": "nix-gaming",
-        "rev": "97bf2750a74b02dbfc1131d99862c9ddd842a48d",
+        "rev": "51ba579b0dc06f01af4fff6fd4eb63cebd7e4021",
         "type": "github"
       },
       "original": {

nodes/hosts/common/programs/drop.nix

@@ -1,11 +1,11 @@
 { pkgs, lib, inputs, ... }:
 
 let 
-  dropApp = import ../../../../appimages/drop.nix { inherit pkgs; };
+  dropApp = import ./appimages/drop.nix { inherit pkgs; };
 in
 {
   # ...
-  environment.systemPackages = [
-    pkgs.dropApp
+  environment.systemPackages = with pkgs; [
+    dropApp
   ];
 }