[K2, MPP] Fix NO_ACTUAL_FOR_EXPECT reporting for all modules including the platform ones

^KT-58483 Fixed

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/actualizer/ExpectActualCollector.kt

@@ -62,6 +62,10 @@ internal class ExpectActualCollector(
     ) {
         val linkCollector = ExpectActualLinkCollector(destination, classActualizationInfo, typeSystemContext, diagnosticsReporter)
         dependentFragments.forEach { linkCollector.visitModuleFragment(it) }
+        // It doesn't make sense to link expects from the last module because actuals always should be located in another module
+        // Thus relevant actuals are always missing for the last module
+        // But the collector should be run anyway to detect and report "hanging" expect declarations
+        linkCollector.visitModuleFragment(mainFragment)
     }
 }
 
@@ -77,6 +81,8 @@ internal data class ClassActualizationInfo(
     }
 }
 
+
+
 private class ActualDeclarationsCollector {
     companion object {
         fun collectActualsFromFragments(fragments: List<IrModuleFragment>): ClassActualizationInfo {