True when a workspace tab is the record named by a /record/:entity/:id URL.
New-record tabs store recordId: '' while the URL uses the new sentinel.
Those must match. Comparing the raw strings ('' === 'new') is false, so
URL sync thinks the tab is missing and opens another one — an infinite
tab storm that kills the browser tab.
True when a workspace tab is the record named by a
/record/:entity/:idURL.New-record tabs store
recordId: ''while the URL uses thenewsentinel. Those must match. Comparing the raw strings ('' === 'new') is false, so URL sync thinks the tab is missing and opens another one — an infinite tab storm that kills the browser tab.