[FIR] Only return generated nested classes from FirExtensionDeclarationsSymbolProvider

Otherwise, FirCommonDeclarationsMappingSymbolProvider is never called
for nested classes if a compiler plugin is enabled.

#KT-79693 Fixed

Author: cypressious

compiler/fir/providers/src/org/jetbrains/kotlin/fir/extensions/FirExtensionDeclarationsSymbolProvider.kt

@@ -8,6 +8,8 @@ package org.jetbrains.kotlin.fir.extensions
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.FirSessionComponent
 import org.jetbrains.kotlin.fir.caches.*
+import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
+import org.jetbrains.kotlin.fir.declarations.isJavaOrEnhancement
 import org.jetbrains.kotlin.fir.declarations.validate
 import org.jetbrains.kotlin.fir.ownerGenerator
 import org.jetbrains.kotlin.fir.render
@@ -111,7 +113,9 @@ class FirExtensionDeclarationsSymbolProvider private constructor(
                         result = it
                     }
                 }
-                result
+                // Lombok plugin sets the origin of generated declarations to FirDeclarationOrigin.Java.Source.
+                // TODO(KT-79778) Remove check for FirDeclarationOrigin.Java.Source when we have a proper generated Java origin.
+                result?.takeIf { it.origin.generated || it.origin == FirDeclarationOrigin.Java.Source }
             }
             else -> {
                 val matchedExtensions = extensionsByTopLevelClassId.getValue()[classId] ?: return null

plugins/plugin-sandbox/testData/box/mppDependencyWithActualTypealiasAnnotation.kt

@@ -1,6 +1,5 @@
 // LANGUAGE: +MultiPlatformProjects
 // TARGET_BACKEND: JVM
-// IGNORE_HMPP: JVM_IR
 
 // MODULE: lib-common
 package foo

plugins/plugin-sandbox/testData/box/replaceActualFunctionBodyWitExpectDefaultValue.kt

@@ -1,6 +1,5 @@
 // LANGUAGE: +MultiPlatformProjects
 // ISSUE: KT-56173
-// IGNORE_HMPP: JVM_IR, JS_IR
 
 // MODULE: common
 // FILE: common.kt