windows: Use nc-esque ssh askpass auth for remoting (#39646)

This lets us avoid storing user PW in ZED_ASKPASS_PASSWORD env var.
Release Notes:

- N/A

crates/project/src/git_store.rs

@@ -7,7 +7,7 @@ use crate::{
     worktree_store::{WorktreeStore, WorktreeStoreEvent},
 };
 use anyhow::{Context as _, Result, anyhow, bail};
-use askpass::{AskPassDelegate, EncryptedPassword};
+use askpass::{AskPassDelegate, EncryptedPassword, IKnowWhatIAmDoingAndIHaveReadTheDocs};
 use buffer_diff::{BufferDiff, BufferDiffEvent};
 use client::ProjectId;
 use collections::HashMap;
@@ -2120,7 +2120,10 @@ impl GitStore {
             .lock()
             .insert(envelope.payload.askpass_id, askpass);
 
-        response.try_into()
+        // In fact, we don't quite know what we're doing here, as we're sending askpass password unencrypted, but..
+        Ok(proto::AskPassResponse {
+            response: response.decrypt(IKnowWhatIAmDoingAndIHaveReadTheDocs)?,
+        })
     }
 
     async fn handle_check_for_pushed_commits(