Only first hash in a line should be formatted

[m-aciek]

Current behavior

- foo: bar # see issue #42 for details
+ foo: bar  # see issue  # 42 for details

yamlfix adds double space before and single space after every hash character in a line.

Desired behavior

- foo: bar # see issue #42 for details
+ foo: bar  # see issue #42 for details

Only first hash should be formatted.

Screenshots

Environment

rev: f857ca3, 1.19.1, latest version as of today