K2: Use Any? expected type only for the right argument of == operator

^KT-47409 Fixed

compiler/fir/analysis-tests/testData/resolve/inference/equals.fir.txt

@@ -10,7 +10,7 @@ FILE: equals.kt
         }
 
         when () {
-            ==(R|/materialize|<R|kotlin/Any?|>(), String()) ->  {
+            ==(R|/materialize<CS errors: /materialize>#|<<ERROR TYPE REF: Cannot infer argument for type parameter T>>(), String()) ->  {
                 ^main Unit
             }
         }

compiler/fir/analysis-tests/testData/resolve/inference/equals.kt

@@ -1,6 +1,7 @@
+// ISSUE: KT-47409
 fun <T> materialize(): T = TODO()
 
 fun main() {
     if ("" == materialize()) return // FE1.0: OK, type argument inferred to Any?
-    if (materialize() == "") return // FE1.0: Error, uninferred type argument for `T`
+    if (<!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>materialize<!>() == "") return // FE1.0: Error, uninferred type argument for `T`
 }