Hotkeys/Shortcuts

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Related to Streaming and inspecting data
I would like a button to toggle live/non-live(freeze current page) almost like “space”.
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Scratch that, could “shift-space” (or other combo) “freeze” the current view.
Meaning removing the pin left/right. Toggling the same combo could pin back to previous value of pin.

The other one would be to add markers quickly.
I am not sure binding them to 1(single) and 2(dual markers) would be the best but its a start.