message: Allow string values (like "system") in the `rowsToScroll` schema
diff: "description": "The number of rows to scroll at a time with the mouse wheel. This will override the system setting if the value is not zero or 'system'.",
  "maximum": 999,
  "minimum": 0,
  - "type": "integer"
  + "type": ["integer", "string"]
  },
  "keybindings": {
  "description": "Properties are specific to each custom key binding.",
  