MouseButtonFlags - Runtime Docs

MouseButtonFlags :: array[union] changed

`"left"`
`"right"`
`"left-and-right"`	Sets both `"left"` and `"right"` flags.
`"middle"`
`"button-4"`
`"button-5"`
`"button-6"`
`"button-7"`
`"button-8"`
`"button-9"`

Concept used in