[INTERNAL] [FIX] sap.m.SearchField: fix for button left border when
Enter is pressed and vertical alignment of buttons for HCB theme 

- Full version with focus of "clear" and "search" button
- Clear version without focus of buttons
 
Change-Id: Ib5ab0b75bcc05ab4da4e3f529a626cf5c55dc21e
CR-Id: 012006153200014991132014
Merge "[INTERNAL] [FIX] sap.m.SearchField: fix for button left border when Enter is pressed and vertical alignment of buttons for HCB theme " into rel-1.26