🐛 Fix focus keymaps for empty pane (fix #1057)

Previously, focus on an empty pane would break the focus pane keymaps,
as the keymaps were scoped to `atom-text-editor.vim-mode`.

keymaps/vim-mode.cson

@@ -1,3 +1,21 @@
+'body':
+  'ctrl-w ctrl-h': 'window:focus-pane-on-left'
+  'ctrl-w h': 'window:focus-pane-on-left'
+  'ctrl-w left': 'window:focus-pane-on-left'
+  'ctrl-w ctrl-l': 'window:focus-pane-on-right'
+  'ctrl-w l': 'window:focus-pane-on-right'
+  'ctrl-w right': 'window:focus-pane-on-right'
+  'ctrl-w ctrl-k': 'window:focus-pane-above'
+  'ctrl-w k': 'window:focus-pane-above'
+  'ctrl-w up': 'window:focus-pane-above'
+  'ctrl-w ctrl-j': 'window:focus-pane-below'
+  'ctrl-w j': 'window:focus-pane-below'
+  'ctrl-w down': 'window:focus-pane-below'
+  'ctrl-w ctrl-w': 'window:focus-next-pane'
+  'ctrl-w w': 'window:focus-next-pane'
+  'ctrl-w ctrl-p': 'window:focus-previous-pane'
+  'ctrl-w p': 'window:focus-previous-pane'
+
 'atom-text-editor.vim-mode':
   'escape': 'vim-mode:reset-normal-mode'
   'ctrl-c': 'vim-mode:reset-normal-mode'
@@ -156,22 +174,6 @@
   'g u': 'vim-mode:lower-case'
   '~': 'vim-mode:toggle-case-now'
 
-  'ctrl-w ctrl-h': 'window:focus-pane-on-left'
-  'ctrl-w h': 'window:focus-pane-on-left'
-  'ctrl-w left': 'window:focus-pane-on-left'
-  'ctrl-w ctrl-l': 'window:focus-pane-on-right'
-  'ctrl-w l': 'window:focus-pane-on-right'
-  'ctrl-w right': 'window:focus-pane-on-right'
-  'ctrl-w ctrl-k': 'window:focus-pane-above'
-  'ctrl-w k': 'window:focus-pane-above'
-  'ctrl-w up': 'window:focus-pane-above'
-  'ctrl-w ctrl-j': 'window:focus-pane-below'
-  'ctrl-w j': 'window:focus-pane-below'
-  'ctrl-w down': 'window:focus-pane-below'
-  'ctrl-w ctrl-w': 'window:focus-next-pane'
-  'ctrl-w w': 'window:focus-next-pane'
-  'ctrl-w ctrl-p': 'window:focus-previous-pane'
-  'ctrl-w p': 'window:focus-previous-pane'
   'ctrl-w ctrl-v': 'pane:split-right'
   'ctrl-w v': 'pane:split-right'
   'ctrl-w ctrl-s': 'pane:split-down'