feature(cinny): switch cinny services to custom package with notifications and voice calls

We use GigiaJ's fork to get notifications on mobile and voice calls into
cinny, this is quite buggy still but works mostly and is pretty neat.

modules/nixos/services/cinny/default.nix

@@ -22,7 +22,7 @@ in
     package = mkOption {
       description = "The package of Cinny to use.";
       type = types.package;
-      default = pkgs.cinny-unwrapped;
+      default = pkgs.awesome-flake.cinny;
     };
 
     domain = mkOption {
@@ -58,6 +58,8 @@ in
             rewrite ^/public/(.*)$ /public/$1 break;
             rewrite ^/assets/(.*)$ /assets/$1 break;
 
+            rewrite ^/element-call/dist/(.*)$ /element-call/dist/$1 break;
+
             rewrite ^(.+)$ /index.html break;
           '';
         };

overlays/cinny/default.nix

@@ -0,0 +1,28 @@
+{
+  channels,
+  inputs,
+  ...
+}:
+
+final: prev: {
+  awesome-flake = (prev.awesome-flake or { }) // {
+    cinny = prev.cinny-unwrapped.overrideAttrs (_old: rec {
+      pname = "cinny-unwrapped";
+      version = "2025-06-11-15-30";
+
+      src = final.fetchFromGitHub {
+        owner = "GigiaJ";
+        repo = "cinny";
+        rev = "1b281fe37b29e4b4a36d8bc3007a9abf2240ffff";
+        hash = "sha256-3DKFOuFR7qYSvWsE/kAnaES/T9CFGNpmmOutE4o6vb4=";
+      };
+
+      npmDepsHash = "sha256-Z7GP3aorCnII7KfWajR8L+otiBxYC+uaMSYWcgmnZjw=";
+      npmDeps = final.fetchNpmDeps {
+        inherit src;
+        name = "${pname}-${version}-npm-deps";
+        hash = npmDepsHash;
+      };
+    });
+  };
+}