[INTERNAL][FIX] sap.m.DatePicker: Added left border on the icon in
active state

CR-Id: 012003146900009221592014
Change-Id: I999e4f06f60d6b92cb137a2568b0c4b10586ef8f
(cherry picked from commit 4e6de010c37a6da2b0909f7d70de00c2fede36a6)
Merge "[INTERNAL][FIX] sap.m.DatePicker: Added left border on the icon in active state" into rel-1.26