Add diagnostics to test data from NI

compiler/testData/diagnostics/tests/smartCasts/variables/ifNullAssignment.kt

@@ -69,5 +69,5 @@ fun gau(flag: Boolean, arg: String?) {
         }
     }
 
-    x<!UNSAFE_CALL!>.<!>hashCode()
+    <!NI;DEBUG_INFO_SMARTCAST!>x<!><!OI;UNSAFE_CALL!>.<!>hashCode()
 }

compiler/testData/diagnostics/tests/smartCasts/variables/lambdaBetweenArguments.kt

@@ -6,5 +6,5 @@ fun foo(x: Int, f: () -> Unit, y: Int) {}
 fun bar() {
     var x: Int?
     x = 4
-    foo(<!DEBUG_INFO_SMARTCAST!>x<!>, { x = null; x<!UNSAFE_CALL!>.<!>hashCode() }, <!SMARTCAST_IMPOSSIBLE!>x<!>)
+    foo(<!DEBUG_INFO_SMARTCAST!>x<!>, { x = null; x<!UNSAFE_CALL!>.<!>hashCode() }, <!NI;SMARTCAST_IMPOSSIBLE, SMARTCAST_IMPOSSIBLE!>x<!>)
 }

compiler/testData/diagnostics/tests/smartCasts/variables/property.kt

@@ -7,5 +7,5 @@ fun bar(s: String): Int {
 
 fun foo(m: MyClass): Int {
     m.p = "xyz"
-    return bar(<!SMARTCAST_IMPOSSIBLE!>m.p<!>)
+    return bar(<!NI;SMARTCAST_IMPOSSIBLE, SMARTCAST_IMPOSSIBLE!>m.p<!>)
 }