support `flag_var<bitwise_operator>= .enum_flag`

[Delta456]

Describe the feature

Currently, there is no support for flag_var<bitwise_operator>=enum_flag like flag_var^= .enum_flag and flag_var|=. enum_flag operation.

Use Case

flag_var^= .enum_flag is shorthand for flag_var = flag_var ^ .enum_flag

Proposed Solution

Modify the checker/infix.v file to allow the working of <bitwise>= for enum flags as a starting point.

Other Information

No response

Acknowledgements

• [X] I may be able to implement this feature request
• [ ] This feature might incur a breaking change

Version used

Latest

Environment details (OS name and version, etc.)

Not relevant

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