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

#KT-18503 Fixed

idea/testData/addImport/ConflictsExtensions1.dependency.kt

@@ -0,0 +1,9 @@
+package conflicts.extensions
+
+fun Byte.inv(): Byte = (255 - this).toByte()
+
+fun foo1() {}
+fun foo2() {}
+fun foo3() {}
+fun foo4() {}
+fun foo5() {}