openolat#64: disabled manual begin end mode for assessment mode per default

src/main/java/org/olat/course/assessment/manager/AssessmentModeManagerImpl.java

@@ -109,7 +109,7 @@ public class AssessmentModeManagerImpl implements AssessmentModeManager {
 		mode.setLastModified(new Date());
 		mode.setRepositoryEntry(entry);
 		mode.setStatus(Status.none);
-		mode.setManualBeginEnd(true);
+		mode.setManualBeginEnd(false);
 		return mode;
 	}
 	
@@ -138,7 +138,7 @@ public class AssessmentModeManagerImpl implements AssessmentModeManager {
 		mode.setRepositoryEntry(lectureBlock.getEntry());
 		mode.setLectureBlock(lectureBlock);
 		mode.setStatus(Status.none);
-		mode.setManualBeginEnd(true);
+		mode.setManualBeginEnd(false);
 		return mode;
 	}