[FIR-TEST] Mute some failing tests according to changes in DFA

compiler/testData/diagnostics/tests/infos/SmartCasts.fir.kt

@@ -196,7 +196,7 @@ fun mergeSmartCasts(a: Any?) {
     a.<!INAPPLICABLE_CANDIDATE!>compareTo<!>("")
   }
   when (a) {
-    is String, is Any -> a.<!UNRESOLVED_REFERENCE!>compareTo<!>("")
+    is String, is Any -> a.compareTo("")
   }
   if (a is String && a is Any) {
     val i: Int = a.compareTo("")

compiler/testData/diagnostics/tests/smartCasts/castchecks/variables.fir.kt

@@ -27,8 +27,8 @@ fun g(a: SomeClass?) {
     c = Impl
     if (c != null) {
         // 'a' cannot be cast to SomeSubClass
-        a.<!INAPPLICABLE_CANDIDATE!>hashCode<!>()
-        a.<!UNRESOLVED_REFERENCE!>foo<!>
+        a.hashCode()
+        a.foo
         (a as? SomeSubClass).<!INAPPLICABLE_CANDIDATE!>foo<!>
         c.hashCode()
         c.foo

compiler/testData/diagnostics/tests/smartCasts/safecalls/safeAccessReceiverNotNull.fir.kt

@@ -52,7 +52,7 @@ fun kt4565_1(a: SomeClass?) {
         a.data.hashCode()
     }
     if (a?.data is String) {
-        a.data.length
+        a.<!INAPPLICABLE_CANDIDATE!>data<!>.<!UNRESOLVED_REFERENCE!>length<!>
         data.length
     }
 }

compiler/testData/diagnostics/tests/smartCasts/varnotnull/plusplusMinusminus.fir.kt

@@ -2,7 +2,7 @@
 fun foo(arg: Int?): Int {
     var i = arg
     if (i != null && i++ == 5) {
-        return i-- + i
+        return i<!INAPPLICABLE_CANDIDATE!>--<!> + i
     }
     return 0
 }

compiler/testData/diagnostics/testsWithStdLib/smartcasts/letMergeNotNull.fir.kt

@@ -4,6 +4,6 @@ fun foo(y: String?) {
     var x: String? = null
     if (x != null) {
         y?.let { x = it }
-        x.length // not-null or not-null
+        x.<!INAPPLICABLE_CANDIDATE!>length<!> // not-null or not-null
     }
 }