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

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
 }