Closes#1945
Resolving a lazy code action or file action dropped the invoking window, so a plugin couldn't ask the user anything (input, pick, confirm) while building its edit. Resolution now runs with that window, so prompts work during resolution; previews and Actions on Save never prompt, cancellation keeps the text unchanged, and stale edits are rejected. WIT and SDK docs describe the new behaviour; the released API surface is unchanged.
Co-authored-by: arnaud-ritti <[email protected]>