webcord: fix loading with broken config

overlays/default.nix

@@ -45,7 +45,9 @@
     mpvpaper = inputs.wegank.packages.${prev.system}.mpvpaper;
 
     sea-orm-cli = inputs.sea-orm-cli.legacyPackages.${prev.system}.sea-orm-cli;
-    webcord = prev.webcord or prev.unstable.webcord;
+    webcord = (prev.webcord or prev.unstable.webcord).overrideAttrs (old: {
+      patches = (old.patches or [ ]) ++ [ ../patches/webcord/fix-reading-config.patch ];
+    });
     nil-lsp = inputs.nil-lsp.packages.${prev.system}.nil;
   });
 

patches/webcord/fix-reading-config.patch

@@ -0,0 +1,14 @@
+diff --git a/sources/code/main/modules/config.ts b/sources/code/main/modules/config.ts
+index caf51df..41faabe 100644
+--- a/sources/code/main/modules/config.ts
++++ b/sources/code/main/modules/config.ts
+@@ -158,6 +158,9 @@ class Config<T> {
+   #read(): unknown {
+     const encodedData = readFileSync(this.#path+this.#pathExtension);
+     let decodedData = encodedData.toString();
++    if (decodedData === "")
++        return {};
++
+     if(this.#pathExtension === FileExt.Encrypted)
+       decodedData = safeStorage.decryptString(encodedData);
+     return JSON.parse(decodedData);