Beware they started charging for the database tools even if you own an all-products license (the plugin was included in the EAP version).
IntelliJ still has it bundled iirc.
https://plugins.jetbrains.com/plugin/10925-database-tools-and-sql-for-webstorm--rustrover
I’m afraid there’s no way to do this without a second Nintendo DS or an external tool like a save editor (PKHex, for example) :(