K2 JVM: Take JVM declarations conflicting error back

Since SimpleDiagnosticsCollectorWithSuppress have been replaced by
PendingDiagnosticsCollectorWithSuppress after commit 9add6f3d55,
diagnostics need to be committed now.

#KT-54366 Fixed

compiler/ir/backend.jvm/codegen/src/org/jetbrains/kotlin/backend/jvm/codegen/JvmSignatureClashDetector.kt

@@ -147,7 +147,7 @@ class JvmSignatureClashDetector(
         irDeclarations.mapNotNullTo(LinkedHashSet()) { irDeclaration ->
             classCodegen.context.ktDiagnosticReporter.atFirstValidFrom(irDeclaration, classCodegen.irClass, containingIrFile = irDeclaration.file)
         }.forEach {
-            it.report(diagnosticFactory1, conflictingJvmDeclarationsData)
+            it.reportAndCommit(diagnosticFactory1, conflictingJvmDeclarationsData)
         }
     }