Sublime Text keybindings to disable wrapping indented blocks

keybindings.json

[
  { "keys": ["{"], "command": "insert_snippet", "args": {"contents": "{$0}"}, "context":
    [
      { "key": "setting.auto_match_enabled", "operator": "equal", "operand": true },
      { "key": "selection_empty", "operator": "equal", "operand": true, "match_all": true },
      { "key": "following_text", "operator": "regex_contains", "operand": "^(?:\t| |\\)|]|\\}|$)", "match_all": true }
    ]
  },
  { "keys": ["{"], "command": "insert_snippet", "args": {"contents": "{${0:$SELECTION}}"}, "context":
    [
      { "key": "setting.auto_match_enabled", "operator": "equal", "operand": true },
      { "key": "selection_empty", "operator": "equal", "operand": false, "match_all": true }
    ]
  }
]