[Analysis API] update testdata after renderer rework

The new testdata seems to be more correct or just different

^KTIJ-23268

analysis/analysis-api/testData/referenceResolve/forLoopIn/inLibrary/extension.descriptors.txt

@@ -0,0 +1,4 @@
+Resolved to:
+0: (in kotlin.collections.CharIterator) override operator fun next(): kotlin.Char
+1: (in kotlin.collections.Iterator) operator fun hasNext(): kotlin.Boolean
+2: (in kotlin.text) operator fun kotlin.CharSequence.iterator(): kotlin.collections.CharIterator