[FEATURE]: configurable keybind for "session_pin" #37882

Feature hasn't been suggested before.

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Describe the enhancement you want to request

Currently I see no documented configurable keybind for "session_pin".
I'm talking about 'pin/unpin' on the 'switch session' modal.
The default keybinding is 'ctrl+f'.

There is a keybinding for toggling 'favorite' for a model. Seems similar.

'ctrl+f' is often used for 'find'. I don't want to have to forward that keybind to opencode.