If under Settings > Chart of Accounts you rename the default Fixed Assets account:

Then that rename flows through to the account menus for selection:

However that renaming doesn’t flow though to the Fixed Assets tab Control account column:

If under Settings > Chart of Accounts you rename the default Fixed Assets account:

Then that rename flows through to the account menus for selection:

However that renaming doesn’t flow though to the Fixed Assets tab Control account column:

Fixed in the latest version (18.4.96)