Babel-minify throws cannot set property inList of [object Object] which has only a getter

[JLHwung]

Bug Report

Current Behavior
Babel-minify will throw on @babel/traverse 7.7

Input Code

• REPL

Expected behavior/code
It should not throw

Environment

• Babel version(s): 7.7.0
• How you are using Babel: REPL

Possible Solution
Add a setter of inList which will set listKey to null when false is passed.

** Additional Context **
This regression was introduced in #10480.

[babel-bot]

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[JLHwung]

Fixed in 7.7.2.