Change unfocus/deselect & debug message keybinds

unfocus/deselect → ctrl+D, because escape conflicts with any text field
that must handle escape

debug message → ctrl+shift+D instead of ctrl+D

TODO.md

@@ -3,7 +3,6 @@
 - add account number binds
 - revise pane collapse mode
 
-- fix escape keybinds (filter rooms, message selection)
 - fix python getting stuck when loading large room
 - fix accounts in room list not getting their profile updated if mirage starts
   with a filter

src/backend/user_files.py

@@ -291,13 +291,13 @@ class UISettings(JSONDataFile):
                     "10": f"{alt_or_cmd()}+0",
                 },
 
-                "unfocusOrDeselectAllMessages":    ["Escape"],
+                "unfocusOrDeselectAllMessages":    ["Ctrl+D"],
                 "focusPreviousMessage":            ["Ctrl+Up", "Ctrl+K"],
                 "focusNextMessage":                ["Ctrl+Down", "Ctrl+J"],
                 "toggleSelectMessage":             ["Ctrl+Space"],
                 "selectMessagesUntilHere":         ["Ctrl+Shift+Space"],
                 "removeFocusedOrSelectedMessages": ["Ctrl+R", "Alt+Del"],
-                "debugFocusedMessage":             ["Ctrl+D"],
+                "debugFocusedMessage":             ["Ctrl+Shift+D"],
                 "clearRoomMessages":               ["Ctrl+L"],
 
                 "sendFile":                    ["Alt+S"],