Do not trigger "refresh" signal after closing widgets
Do not trigger "refresh" signal after closing widgets

When the user just opened e.g. the goto or command palette overlay
prevent a refresh signal on closing that panel.

This is esp. useful for our multi level panel actions which trigger a
refresh in-between each panel. Also consider e.g. the goto symbol
triggered from the log graph view where we really don't need to refresh
after selecting a goto target (or even just aborting via `[ESC]`).

Whitelist "Terminus" which reports itself as a widget.

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