Update information about one way navigability display

From 11.6 onwards one way navigable associations no longer show as a dotted line, they will only have an icon showing it's direction

Author: jelmersnippe

content/en/docs/refguide/modeling/domain-model/associations/association-properties.md

@@ -82,7 +82,7 @@ One-way navigable associations are associations that allow navigation to associa
 
 You can retrieve data from all other domain model associations in both directions.
 
-One-way navigable associations are represented by a dashed arrow in Domain model editor. An icon shows the direction of its navigability.
+One-way navigable associations are represented by an icon next to the association name showing the direction of its navigability.
 
 ### On Delete Behavior {#delete-behavior}