windows: Update Windows keymap (#38767)

Pickup the changes from #36550

Release Notes:

- N/A

---------

Signed-off-by: Yang Gang <yanggang.uefi@gmail.com>
Co-authored-by: 张小白 <364772080@qq.com>

assets/keymaps/default-windows.json

@@ -345,7 +345,7 @@
     }
   },
   {
-    "context": "AcpThread > Editor",
+    "context": "AcpThread > Editor && !use_modifier_to_send",
     "use_key_equivalents": true,
     "bindings": {
       "enter": "agent::Chat",
@@ -355,6 +355,17 @@
       "shift-tab": "agent::CycleModeSelector"
     }
   },
+  {
+    "context": "AcpThread > Editor && use_modifier_to_send",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-enter": "agent::Chat",
+      "ctrl-shift-r": "agent::OpenAgentDiff",
+      "ctrl-shift-y": "agent::KeepAll",
+      "ctrl-shift-n": "agent::RejectAll",
+      "shift-tab": "agent::CycleModeSelector"
+    }
+  },
   {
     "context": "ThreadHistory",
     "use_key_equivalents": true,