Add helpers for getting commonly used services without an opt-in

These services are LanguageVersionSettings, DataFlowValueFactory
#KT-39643 Fixed

idea/idea-core/src/org/jetbrains/kotlin/idea/core/SmartCastCalculator.kt

@@ -10,9 +10,8 @@ import org.jetbrains.kotlin.descriptors.ClassifierDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.ReceiverParameterDescriptor
 import org.jetbrains.kotlin.descriptors.VariableDescriptor
-import org.jetbrains.kotlin.idea.FrontendInternals
 import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
-import org.jetbrains.kotlin.idea.resolve.frontendService
+import org.jetbrains.kotlin.idea.resolve.getDataFlowValueFactory
 import org.jetbrains.kotlin.idea.util.getImplicitReceiversWithInstance
 import org.jetbrains.kotlin.idea.util.getResolutionScope
 import org.jetbrains.kotlin.psi.KtExpression
@@ -35,8 +34,7 @@ class SmartCastCalculator(
     receiver: KtExpression?,
     resolutionFacade: ResolutionFacade
 ) {
-    @OptIn(FrontendInternals::class)
-    private val dataFlowValueFactory = resolutionFacade.frontendService<DataFlowValueFactory>()
+    private val dataFlowValueFactory = resolutionFacade.getDataFlowValueFactory()
 
     // keys are VariableDescriptor's and ThisReceiver's
     private val entityToSmartCastInfo: Map<Any, SmartCastInfo> = processDataFlowInfo(

idea/idea-core/src/org/jetbrains/kotlin/idea/core/Utils.kt

@@ -16,6 +16,8 @@ import org.jetbrains.kotlin.idea.references.mainReference
 import org.jetbrains.kotlin.idea.references.resolveToDescriptors
 import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
 import org.jetbrains.kotlin.idea.resolve.frontendService
+import org.jetbrains.kotlin.idea.resolve.getDataFlowValueFactory
+import org.jetbrains.kotlin.idea.resolve.getLanguageVersionSettings
 import org.jetbrains.kotlin.idea.util.getImplicitReceiversWithInstanceToExpression
 import org.jetbrains.kotlin.idea.util.getResolutionScope
 import org.jetbrains.kotlin.name.FqName
@@ -101,7 +103,6 @@ fun KtImportDirective.targetDescriptors(resolutionFacade: ResolutionFacade = thi
     return nameExpression.mainReference.resolveToDescriptors(resolutionFacade.analyze(nameExpression))
 }
 
-@OptIn(FrontendInternals::class)
 fun Call.resolveCandidates(
     bindingContext: BindingContext,
     resolutionFacade: ResolutionFacade,
@@ -117,9 +118,11 @@ fun Call.resolveCandidates(
     val callResolutionContext = BasicCallResolutionContext.create(
         bindingTrace, resolutionScope, this, expectedType, dataFlowInfo,
         ContextDependency.INDEPENDENT, CheckArgumentTypesMode.CHECK_VALUE_ARGUMENTS,
-        false, resolutionFacade.frontendService(),
-        resolutionFacade.frontendService()
+        false, resolutionFacade.getLanguageVersionSettings(),
+        resolutionFacade.getDataFlowValueFactory()
     ).replaceCollectAllCandidates(true)
+
+    @OptIn(FrontendInternals::class)
     val callResolver = resolutionFacade.frontendService<CallResolver>()
 
     val results = callResolver.resolveFunctionCall(callResolutionContext)

idea/idea-core/src/org/jetbrains/kotlin/idea/core/psiModificationUtils.kt

@@ -21,6 +21,7 @@ import org.jetbrains.kotlin.idea.caches.resolve.getResolutionFacade
 import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptorIfAny
 import org.jetbrains.kotlin.idea.references.mainReference
 import org.jetbrains.kotlin.idea.resolve.frontendService
+import org.jetbrains.kotlin.idea.resolve.getLanguageVersionSettings
 import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
 import org.jetbrains.kotlin.idea.util.hasJvmFieldAnnotation
 import org.jetbrains.kotlin.idea.util.isExpectDeclaration
@@ -127,7 +128,7 @@ fun KtCallExpression.canMoveLambdaOutsideParentheses(): Boolean {
         val resolutionFacade = getResolutionFacade()
         val samConversionTransformer = resolutionFacade.frontendService<SamConversionResolver>()
         val samConversionOracle = resolutionFacade.frontendService<SamConversionOracle>()
-        val languageVersionSettings = resolutionFacade.frontendService<LanguageVersionSettings>()
+        val languageVersionSettings = resolutionFacade.getLanguageVersionSettings()
 
         val bindingContext = analyze(resolutionFacade, BodyResolveMode.PARTIAL)
         val targets = bindingContext[BindingContext.REFERENCE_TARGET, callee]?.let { listOf(it) }