fix(no-this-assign-in-render): explicit left hand side traversal

[43081j]

The esquery we were using was too wide in that it would match a .left at any level.

This meant the following code would match:

render() {
  x = this.foo || 123;
}

As a LogicalExpression has a left just like an AssignmentExpression.

Since esquery doesn't support relative direct child selection (i.e. using :has(> foo)), we are now selecting the left side node and reporting on the parent instead.