Optional chaining: a?.()() is parsed as (a?.())() #8159
Description
Flow version: flow-parser 0.108.0
Expected behavior
In a?.()(), the outer call expression should be of type OptionalCallExpression.
In a?.().b, the member expression should be of type OptionalMemberExpression.
Actual behavior
The outer call expression is of type CallExpression as if the inner call expression were in parens: (a?.())().
The member expression is of type MemberExpression as if the inner call expression were in parens: (a?.()).b.
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