vim: Escape to normal mode when visual surround operation pending (#24484)

Closes #24382

Release Notes:
Added a default keymap that returns the user to `normal` mode after
pressing escape during a pending `visual-surround` operation.

- N/A

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Co-authored-by: roy.crippen4 <roy.crippen4@archarithms.com>
Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>