Converts a given name string to a valid identifier by first transforming it to camel case,
then fixing any invalid characters using underscores as replacements.
Parameters
name: string
The input string to be converted into an identifier.
Returns string
A string representing the fixed identifier in camel case format.
Converts a given name string to a valid identifier by first transforming it to camel case, then fixing any invalid characters using underscores as replacements.