Make FirNamedReferenceWithCandidate not resolved, fix receiver completion

Counting it as resolved provokes a lot of difficult to discover errors

compiler/fir/tree/src/org/jetbrains/kotlin/fir/FirNamedReference.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.fir
 
+import org.jetbrains.kotlin.fir.symbols.ConeSymbol
 import org.jetbrains.kotlin.fir.visitors.FirVisitor
 import org.jetbrains.kotlin.name.Name
 
@@ -12,6 +13,8 @@ import org.jetbrains.kotlin.name.Name
 interface FirNamedReference : FirReference {
     val name: Name
 
+    val candidateSymbol: ConeSymbol? get() = null
+
     override fun <R, D> accept(visitor: FirVisitor<R, D>, data: D): R =
         visitor.visitNamedReference(this, data)
 }

compiler/fir/tree/src/org/jetbrains/kotlin/fir/FirRenderer.kt

@@ -783,10 +783,18 @@ class FirRenderer(builder: StringBuilder) : FirVisitorVoid() {
     }
 
     override fun visitNamedReference(namedReference: FirNamedReference) {
-        if (namedReference is FirErrorNamedReference) {
-            print("<${namedReference.errorReason}>#")
-        } else {
-            print("${namedReference.name}#")
+        val symbol = namedReference.candidateSymbol
+        when {
+            symbol != null -> {
+                print("R?C|")
+                if (symbol is ConeCallableSymbol)
+                    print(symbol.callableId)
+                else if (symbol is ConeClassLikeSymbol)
+                    print(symbol.classId)
+                print("|")
+            }
+            namedReference is FirErrorNamedReference -> print("<${namedReference.errorReason}>#")
+            else -> print("${namedReference.name}#")
         }
     }
 

compiler/fir/tree/src/org/jetbrains/kotlin/fir/references/FirResolvedCallableReferenceImpl.kt

@@ -12,7 +12,7 @@ import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.symbols.ConeSymbol
 import org.jetbrains.kotlin.name.Name
 
-open class FirResolvedCallableReferenceImpl(
+class FirResolvedCallableReferenceImpl(
     session: FirSession,
     psi: PsiElement?,
     override val name: Name,

compiler/fir/tree/src/org/jetbrains/kotlin/fir/references/FirSimpleNamedReference.kt

@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.fir.FirNamedReference
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.name.Name
 
-class FirSimpleNamedReference(
+open class FirSimpleNamedReference(
     session: FirSession,
     psi: PsiElement?,
     override val name: Name