FIR: Add candidates to ConeFunctionCallExpectedError.

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/FirCallResolver.kt

@@ -642,9 +642,7 @@ class FirCallResolver(
                 val candidate = candidates.singleOrNull()
 
                 val diagnostic = if (expectedCallKind == CallKind.Function) {
-                    ConeFunctionCallExpectedError(
-                        name,
-                        candidate?.let { isValueParametersNotEmpty(it) } ?: candidates.any { isValueParametersNotEmpty(it) })
+                    ConeFunctionCallExpectedError(name, candidates.any { isValueParametersNotEmpty(it) }, candidates.map { it.symbol })
                 } else {
                     val singleExpectedCandidate = expectedCandidates?.singleOrNull()
 

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/diagnostics/FirDiagnostics.kt

@@ -54,7 +54,11 @@ class ConeUnresolvedNameError(val name: Name) : ConeUnresolvedError {
     override val reason: String get() = "Unresolved name: $name"
 }
 
-class ConeFunctionCallExpectedError(val name: Name, val hasValueParameters: Boolean) : ConeDiagnostic {
+class ConeFunctionCallExpectedError(
+    val name: Name,
+    val hasValueParameters: Boolean,
+    override val candidateSymbols: Collection<FirBasedSymbol<*>>
+) : ConeDiagnosticWithCandidates {
     override val reason: String get() = "Function call expected: $name(${if (hasValueParameters) "..." else ""})"
 }