modules/release: fix lineage oatMetadata rom size

Author: ajs124

modules/release.nix

@@ -195,7 +195,7 @@ in
         cat ${otaMetadata} > ${config.device}-${config.channel}
       ''}
       ${optionalString (config.apps.updater.flavor == "lineageos") ''
-        sed -e "s:ROM_SIZE:$(du -b ${ota.name}):" ${otaMetadata} > ${config.device}.json
+        sed -e "s:\"ROM_SIZE\":$(du -b ${ota.name}|cut -f1):" ${otaMetadata} > ${config.device}.json
       ''}
     ''; }));
   };