FIR DFA: isolate effects between blocks in try expression

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

@@ -37,7 +37,7 @@ fun test3() {
     catch (e: B) {
         return
     }
-    a.hashCode() // a is nullable here
+    a.<!INAPPLICABLE_CANDIDATE!>hashCode<!>() // a is nullable here
 }
 fun test4() {
     var a: Int? = null

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

@@ -10,5 +10,5 @@ fun foo() {
     } catch (ex: Exception) {}
     bar(s)
     if (s != null) { }
-    s.hashCode()
+    s.<!INAPPLICABLE_CANDIDATE!>hashCode<!>()
 }