Prevent multiple settings tabs from being persisted #17169
Merged
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Re-add some machinery to special case settings tabs. When we're going to persist a tab that only has a single settings pane in it, we'll now promote that to the first-class "openSettings" action. This will allow our other code in TerminalPage to route multiple settings tabs all to the same tab.
This of course doesn't stop you from opening multiple settings tabs with
{ "command": {"action": "newTab", "type": "settings"} }
actions. If we did that, then that would prevent someone from having a settings pane in the first pane, and a terminal to the right.Closes #17070