titaniumenv: add parameter that specifies than an IPA build is a store build

pkgs/development/mobile/titaniumenv/build-app.nix

···
 { name, src, preBuild ? "", target, androidPlatformVersions ? [ "25" ], androidAbiVersions ? [ "armeabi" "armeabi-v7a" ], tiVersion ? null
 , release ? false, androidKeyStore ? null, androidKeyAlias ? null, androidKeyStorePassword ? null
 , iosMobileProvisioningProfile ? null, iosCertificateName ? null, iosCertificate ? null, iosCertificatePassword ? null, iosVersion ? "11.2"
-, enableWirelessDistribution ? false, installURL ? null
+, enableWirelessDistribution ? false, iosBuildStore ? false, installURL ? null
 }:
 
 assert (release && target == "android") -> androidKeyStore != null && androidKeyAlias != null && androidKeyStorePassword != null;
···
               security default-keychain -s $keychainName
 
               # Do the actual build
-              titanium build --config-file $TMPDIR/config.json --force --no-colors --platform ios --target dist-adhoc --pp-uuid $provisioningId --distribution-name "${iosCertificateName}" --keychain $HOME/Library/Keychains/$keychainName-db --device-family universal --ios-version ${iosVersion} --output-dir $out
+              titanium build --config-file $TMPDIR/config.json --force --no-colors --platform ios --target ${if iosBuildStore then "dist-appstore" else "dist-adhoc"} --pp-uuid $provisioningId --distribution-name "${iosCertificateName}" --keychain $HOME/Library/Keychains/$keychainName-db --device-family universal --ios-version ${iosVersion} --output-dir $out
             
               # Remove our generated keychain
               ${deleteKeychain}