K2: Avoid losing diagnostics for synthetic calls

Some of the changed tests may duplicate other existing diagnostics,
but that should not be reason not to report them at all.

There might be another job to be done to avoid diagnostic duplications

compiler/tests-spec/testData/diagnostics/notLinked/dfa/neg/1.fir.kt

@@ -262,10 +262,10 @@ fun case_16() {
 }
 
 // TESTCASE NUMBER: 17
-val case_17 = if (nullableIntProperty == null == true == false) 0 else {
+val case_17 = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>if (nullableIntProperty == null == true == false) 0 else {
     <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>nullableIntProperty<!>
     <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>nullableIntProperty<!><!UNSAFE_CALL!>.<!>java
-}
+}<!>
 
 //TESTCASE NUMBER: 18
 fun case_18(a: DeepObject.A.B.C.D.E.F.G.J?) {