[FIR] Pass implications from subject of safe call in DFA

^KT-59689 Fixed

compiler/fir/semantics/src/org/jetbrains/kotlin/fir/resolve/dfa/Flow.kt

@@ -19,7 +19,7 @@ abstract class Flow {
 class PersistentFlow internal constructor(
     private val previousFlow: PersistentFlow?,
     private val approvedTypeStatements: PersistentMap<RealVariable, PersistentTypeStatement>,
-    internal val implications: PersistentMap<DataFlowVariable, PersistentList<Implication>>,
+    val implications: PersistentMap<DataFlowVariable, PersistentList<Implication>>,
     // RealVariable describes a storage in memory; a pair of RealVariable with its assignment
     // index at a particular execution point forms an SSA value corresponding to the result of
     // an initializer.