Sometimes schema type attr completion is wrong

[He1pa]

Enhancement

complete external pkg schema name, pkg name sometimes wrong
c.k

schema C:
    c: str = "c"

b.k

import ccc

schema B:
    c: ccc.C

a.k

import bbb

a = bbb.B{
    c: [expect complete item] # got ccc.C{}, but not import ccc so ccc is undefined
}