Update to IDEA EAP 138.1980.1
Fix artifact output and root due IDEA-129315
Completion: minor code corrections after review
Completion: no qualified this for anonymous object + no keyword escaping for qualified this
Completion: escaping of named arguments
Completion: corrected for class nested into class object
Completion: more tests for keyword escaping
KT-4976 Completion ignores smart casts

 #KT-4976 Fixed