Escaped lastmodifiedat and laggedslavemode

Change-Id: Ibcc1b49946bc91e12756eb3866448159493c61f4
Add @since to classes and interface in title

Follow-up to 154bcdc63f

Change-Id: I0c1dc41d29cc3b3c1938ed6df6bb11cc1b4a8e8f
Special:Search Don't autofocus search bar unless it is empty

This interferes with scrolling through the results using the arrow keys.The user would first
have to defocus the text box by clicking outside it or pressing Tab.

Bug: T78637
Change-Id: Ic88e70c8e2308797b39c707984d77405369ae46c