[FIR IDE] Fix receiverType for non-extension functions in AAPI/FE10

This commit partially fixes KtFe10SymbolByPsiTestGenerated.testDelegateField().

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/symbols/psiBased/KtFe10PsiAnonymousFunctionSymbol.kt

@@ -46,7 +46,13 @@ internal class KtFe10PsiAnonymousFunctionSymbol(
 
     override val receiverType: KtTypeAndAnnotations?
         get() = withValidityAssertion {
-            descriptor?.extensionReceiverParameter?.type?.toKtTypeAndAnnotations(analysisContext) ?: createErrorTypeAndAnnotations()
+            if (psi.isExtensionDeclaration()) {
+                return null
+            }
+
+            val descriptor = this.descriptor ?: return createErrorTypeAndAnnotations()
+            val extensionReceiverParameter = descriptor.extensionReceiverParameter ?: return null
+            return extensionReceiverParameter.type.toKtTypeAndAnnotations(analysisContext)
         }
 
     override val isExtension: Boolean

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/symbols/psiBased/KtFe10PsiFunctionSymbol.kt

@@ -80,11 +80,13 @@ internal class KtFe10PsiFunctionSymbol(
 
     override val receiverType: KtTypeAndAnnotations?
         get() = withValidityAssertion {
-            return if (psi.isExtensionDeclaration()) {
+            if (!psi.isExtensionDeclaration()) {
-                descriptor?.extensionReceiverParameter?.type?.toKtTypeAndAnnotations(analysisContext) ?: createErrorTypeAndAnnotations()
+                return null
-            } else {
-                null
             }
+
+            val descriptor = this.descriptor ?: return createErrorTypeAndAnnotations()
+            val extensionReceiverParameter = descriptor.extensionReceiverParameter ?: return null
+            return extensionReceiverParameter.type.toKtTypeAndAnnotations(analysisContext)
         }
 
     override val isExtension: Boolean

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/symbols/psiBased/KtFe10PsiLiteralAnonymousFunctionSymbol.kt

@@ -45,7 +45,9 @@ internal class KtFe10PsiLiteralAnonymousFunctionSymbol(
 
     override val receiverType: KtTypeAndAnnotations?
         get() = withValidityAssertion {
-            descriptor?.extensionReceiverParameter?.type?.toKtTypeAndAnnotations(analysisContext) ?: createErrorTypeAndAnnotations()
+            val descriptor = this.descriptor ?: return createErrorTypeAndAnnotations()
+            val extensionReceiverParameter = descriptor.extensionReceiverParameter ?: return null
+            extensionReceiverParameter.type.toKtTypeAndAnnotations(analysisContext)
         }
 
     override val isExtension: Boolean