Do not report OPTIONAL_DECLARATION_USAGE_... in IDE for platform modules

#KT-26585 Fixed
Also fixes MultiPlatformHighlightingTestGenerated.testMultifileFacade

compiler/frontend/src/org/jetbrains/kotlin/resolve/checkers/OptionalExpectationUsageChecker.kt

@@ -9,6 +9,9 @@ import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.descriptors.ClassifierDescriptor
 import org.jetbrains.kotlin.diagnostics.Errors
 import org.jetbrains.kotlin.psi.KtFile
+import org.jetbrains.kotlin.resolve.MultiTargetPlatform
+import org.jetbrains.kotlin.resolve.descriptorUtil.module
+import org.jetbrains.kotlin.resolve.getMultiTargetPlatform
 import org.jetbrains.kotlin.resolve.multiplatform.isCommonSource
 
 class OptionalExpectationUsageChecker : ClassifierUsageChecker {
@@ -20,7 +23,8 @@ class OptionalExpectationUsageChecker : ClassifierUsageChecker {
         }
 
         val ktFile = element.containingFile as KtFile
-        if (ktFile.isCommonSource != true) {
+        // The first part is for the compiler, and the second one is for IDE
+        if (ktFile.isCommonSource != true && targetDescriptor.module.getMultiTargetPlatform() != MultiTargetPlatform.Common) {
             context.trace.report(Errors.OPTIONAL_DECLARATION_USAGE_IN_NON_COMMON_SOURCE.on(element))
         }
     }

idea/testData/multiModuleHighlighting/multiplatform/jvmNameInCommon/common_dep(stdlib)/common.kt

@@ -0,0 +1,2 @@
+@kotlin.jvm.JvmName("declarationFunName")
+fun declaration() { }

idea/testData/multiModuleHighlighting/multiplatform/jvmNameInCommon/jvm_dep(stdlib)/test.kt

@@ -0,0 +1,5 @@
+// !CHECK_HIGHLIGHTING
+
+fun test() {
+    declaration()
+}

idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiPlatformHighlightingTestGenerated.java

@@ -109,6 +109,11 @@ public class MultiPlatformHighlightingTestGenerated extends AbstractMultiPlatfor
         runTest("idea/testData/multiModuleHighlighting/multiplatform/jvmKotlinReferencesCommonKotlinThroughJavaDifferentJvmImpls/");
     }
 
+    @TestMetadata("jvmNameInCommon")
+    public void testJvmNameInCommon() throws Exception {
+        runTest("idea/testData/multiModuleHighlighting/multiplatform/jvmNameInCommon/");
+    }
+
     @TestMetadata("multifileFacade")
     public void testMultifileFacade() throws Exception {
         runTest("idea/testData/multiModuleHighlighting/multiplatform/multifileFacade/");