OO-4630: Appointment action buttons were not right aligned in Chrome

src/main/java/org/olat/course/nodes/appointments/ui/TopicCreateController.java

@@ -160,10 +160,10 @@ public class TopicCreateController extends FormBasicController {
 		
 		// Appointments
 		locationEl = uifactory.addTextElement("appointment.location", 128, null, formLayout);
-		locationEl.setHelpText("appointment.init.value");
+		locationEl.setHelpTextKey("appointment.init.value", null);
 		
 		maxParticipationsEl = uifactory.addTextElement("appointment.max.participations", 5, null, formLayout);
-		maxParticipationsEl.setHelpText("appointment.init.value");
+		maxParticipationsEl.setHelpTextKey("appointment.init.value", null);
 		
 		recurringEl = uifactory.addCheckboxesHorizontal("appointments.recurring", formLayout,
 				new String[] { "xx" }, new String[] { null });

src/main/webapp/static/themes/light/modules/_course.scss

@@ -771,10 +771,9 @@ div.o_correction_navigation {
 		}
 		
 		.o_buttons {
-			flex: 1 0 0;
 			display: flex;
-			justify-content: right;
-			align-items: end;
+			flex-flow: column-reverse;
+			margin-left: auto;
 			
 			.o_button_group {
 				display: flex;