Process imports for functioncs and properties in creating scope for file

during lazy resolve

Fix for "KT-3096 No completion in function literal" and "KT-3102 No
completion/auto-import for an extension method"

 #KT-3102 Fixed
 #KT-3096 Fixed

idea/testData/completion/basic/multifile/ExtensionFunctionOnImportedFunction-2.kt

@@ -0,0 +1,9 @@
+package second
+
+class Some
+
+// Two function to prevent automatic insert
+fun Some.extensionFunction1() = 12
+fun Some.extensionFunction2() = 12
+
+fun foo() = Some()