[FIX] sap.m.SearchField: unexpected native edit menu

- unexpected native edit menu appears on Blackberry 10
  when a focused search field is re-rendered

Change-Id: I89bb652cc69e7052e95c70756c1cb9114b842598
CR-Id: 012006153200015623852014
Merge "[FIX] sap.m.SearchField: unexpected native edit menu" into rel-1.26