Infix operator change not shown

[tsantalis]

Math-65

* is not shown as added.
I suppose this might be related to a change in the tree structure.
On the right, there is a single infix expression with an extended operand, while on the left, there are two nested infix expressions.

[pouryafard75]

Closure-138
Is also related to infix expressions.

[tsantalis]

Closure-138 redundant multi-mapping

[tsantalis]

@pouryafard75

The !(...) operator should have been matched with !unflowable, because
&& !nonLocalInferredSlot is newly added condition

[tsantalis]

Perfected as shown in screenshot