message: Support remaps for <C-space>
  Fixes
diff: "command": "extension.vim_ctrl+pageup",
  "when": "editorTextFocus && vim.active && vim.use<C-pageup> && !inDebugRepl"
  },
  + {
  + "key": "ctrl+space",
  + "command": "extension.vim_ctrl+space",
  + "when": "editorTextFocus && vim.active && vim.use<C-space> && !inDebugRepl"
  + },
  {
  "key": "shift+G",
  "command": "list.focusLast",
  