Rewritten resolving conflicting imports on adding new import with star action (KT-18503)

#KT-18503 Fixed

idea/testData/addImport/ConflictsExtensions.kt

@@ -0,0 +1,13 @@
+//IMPORT: conflicts.extensions.foo5
+package p
+
+import conflicts.extensions.foo1
+import conflicts.extensions.foo2
+import conflicts.extensions.foo3
+import conflicts.extensions.foo4
+import conflicts.extensions.deps.*
+
+fun main(args: Array<String>) {
+    val b: Byte = 1
+    b.inv()
+}