Change importing rules for objects:

Allow importing classes from object, prohibit import-on-demand from objects
It's unclear what import-on-demand from object should mean so we prohibit it for now

compiler/tests/org/jetbrains/kotlin/checkers/JetDiagnosticsTestGenerated.java

@@ -5209,6 +5209,12 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/imports/RenameOnImport.kt");
                 doTest(fileName);
             }
+
+            @TestMetadata("StarImportFromObject.kt")
+            public void testStarImportFromObject() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/imports/StarImportFromObject.kt");
+                doTest(fileName);
+            }
         }
 
         @TestMetadata("compiler/testData/diagnostics/tests/incompleteCode")