message: Add: "h", "l" keybindings for sidebar
  closes:
diff: "command": "list.toggleExpand",
  "when": "listFocus && !inputFocus"
  },
  + {
  + "key": "l",
  + "command": "list.select",
  + "when": "listFocus && !inputFocus"
  + },
  + {
  + "key": "h",
  + "command": "list.collapse",
  + "when": "listFocus && !inputFocus"
  + },
  {
  "key": "g g",
  "command": "list.focusFirst",
  