nodePackages_10_x."@angular/cli": disable analytics

@angular/cli fails to build due to the prompt for NG_CLI_ANALYTICS

Set NG_CLI_ANALYTICS to false to skip this prompt and allow the build to
continue

pkgs/development/node-packages/default-v10.nix

@@ -7,6 +7,11 @@ let
   };
 in
 nodePackages // {
+  "@angular/cli" = nodePackages."@angular/cli".override {
+    prePatch = ''
+      export NG_CLI_ANALYTICS=false
+    '';
+  };
   bower2nix = nodePackages.bower2nix.override {
     buildInputs = [ pkgs.makeWrapper ];
     postInstall = ''