Redefine layout for Login button so the login screen looks better rotated.
Redefine layout for Login button so the login screen looks better rotated.

prati0100/zulip-android,Sam1301/zulip-android,zulip/zulip-android,abhaymaniyar/zulip-android,vishwesh3/zulip-android,Sam1301/zulip-android,saketkumar95/zulip-android,saketkumar95/zulip-android,abhaymaniyar/zulip-android,prati0100/zulip-android