templates: Improve labels for the edit stream name modal.
templates: Improve labels for the edit stream name modal.

kou/zulip,hackerkid/zulip,hackerkid/zulip,kou/zulip,rht/zulip,andersk/zulip,kou/zulip,hackerkid/zulip,eeshangarg/zulip,andersk/zulip,kou/zulip,punchagan/zulip,andersk/zulip,eeshangarg/zulip,andersk/zulip,zulip/zulip,rht/zulip,hackerkid/zulip,eeshangarg/zulip,andersk/zulip,eeshangarg/zulip,punchagan/zulip,punchagan/zulip,andersk/zulip,zulip/zulip,hackerkid/zulip,zulip/zulip,hackerkid/zulip,rht/zulip,punchagan/zulip,punchagan/zulip,rht/zulip,kou/zulip,kou/zulip,hackerkid/zulip,rht/zulip,punchagan/zulip,zulip/zulip,punchagan/zulip,zulip/zulip,rht/zulip,zulip/zulip,kou/zulip,andersk/zulip,eeshangarg/zulip,zulip/zulip,eeshangarg/zulip,eeshangarg/zulip,rht/zulip