theme: fix broken function signatures (#364)

Flake lock file updates:

• Updated input 'mnw':
    'github:Gerg-L/mnw/e06b48c51291cc1df08adcd34a8796f86d5b235e?narHash=sha256-qimVBdes%2B2gNRRcyFoIUA1RyOKV0Ee40hUaVVf7ZsNs%3D' (2024-08-22)
  → 'github:Gerg-L/mnw/c261925dbbf02f523af0e8add844df64fddf0359?narHash=sha256-SMgnviF6ofBPbyV3%2BrljPGcX0Hn9HBOhgXE10Cyjaic%3D' (2024-08-23)

flake.lock

@@ -69,11 +69,11 @@
     },
     "mnw": {
       "locked": {
-        "lastModified": 1724368098,
+        "lastModified": 1724456641,
-        "narHash": "sha256-qimVBdes+2gNRRcyFoIUA1RyOKV0Ee40hUaVVf7ZsNs=",
+        "narHash": "sha256-SMgnviF6ofBPbyV3+rljPGcX0Hn9HBOhgXE10Cyjaic=",
         "owner": "Gerg-L",
         "repo": "mnw",
-        "rev": "e06b48c51291cc1df08adcd34a8796f86d5b235e",
+        "rev": "c261925dbbf02f523af0e8add844df64fddf0359",
         "type": "github"
       },
       "original": {

modules/plugins/theme/supported-themes.nix

@@ -6,7 +6,7 @@
   inherit (lib.trivial) boolToString warnIf;
 in {
   onedark = {
-    setup = {style ? "dark"}: ''
+    setup = {style ? "dark", ...}: ''
       -- OneDark theme
       require('onedark').setup {
         style = "${style}"
@@ -30,7 +30,7 @@ in {
   };
 
   dracula = {
-    setup = {transparent}: ''
+    setup = {transparent, ...}: ''
       require('dracula').setup({
         transparent_bg = ${boolToString transparent},
       });