Autocompletion does not suggest inner classes of outer classes' superclass #119288

Tested versions

• Reproducible in v4.3 stable, v4.5 stable, v4.6 stable, v4.7 beta 1 (master)

System information

Windows

Issue description

Script editor autocompletion never suggests inner class members of any outer classes' superclass even though it is accessible without qualification.

Steps to reproduce

Add the following in a script:

class InnerClassA1:
	class InnerClassA2:
		pass

class InnerClassB1 extends InnerClassA1:
	# Works here

	class InnerClassB2:
		# anywhere here typing InnerClass does not suggest InnerClassA2

Minimal reproduction project (MRP)

N/A