[Fix] sap.ui.core.routing.Route - pattern matched event was matched event

- If you were calling attachPatternMatched of a route it did actually attach to the matched event.
- same for the detachPatternMatched event, it was detaching the matched event.

CR-Id: 012003146900009018732014
Change-Id: I144981ae3c8093ddc0cfd158a3aded7240c41f8a
Merge "[Fix] sap.ui.core.routing.Route - pattern matched event was matched event" into rel-1.26