feat(wechat): bwrapped wechat from nur

nixcfgs/overlays/wechat-uos-sandboxed.nix

@@ -0,0 +1,20 @@
+final: prev: {
+  wechat-uos-sandboxed = prev.nur.repos.xddxdd.wechat-uos-sandboxed.override {
+    buildFHSEnvBubblewrap = args:
+      prev.buildFHSEnvBubblewrap (
+        args
+        // {
+          extraPreBwrapCmds =
+            ''
+              if [[ -z "''${WECHAT_DATA_DIR}" ]]; then
+                WECHAT_DATA_DIR="''${WECHAT_SANDBOX_DIR:-$HOME/.sandbox/.per-app/wechat}"
+              fi
+            ''
+            + (if args ? extraPreBwrapCmds then args.extraPreBwrapCmds else "");
+          targetPkgs =
+            pkgs:
+            (if args ? targetPkgs then args.targetPkgs pkgs else []) ++ [pkgs.util-linux];
+        }
+      );
+  };
+}