Minor UI changes (#3078)

Updating navbar dropdown

Updating margin on login page

webapp/i18n/en.json

@@ -348,7 +348,7 @@
   "admin.nav.help": "Help",
   "admin.nav.logout": "Logout",
   "admin.nav.report": "Report a Problem",
-  "admin.nav.switch": "Switch to {display_name}",
+  "admin.nav.switch": "Switch Teams",
   "admin.privacy.false": "false",
   "admin.privacy.save": "Save",
   "admin.privacy.saving": "Saving Config...",
@@ -1039,6 +1039,7 @@
   "navbar_dropdown.accountSettings": "Account Settings",
   "navbar_dropdown.console": "System Console",
   "navbar_dropdown.create": "Create a New Team",
+  "navbar_dropdown.switchTo": "Switch to ",
   "navbar_dropdown.help": "Help",
   "navbar_dropdown.integrations": "Integrations",
   "navbar_dropdown.inviteMember": "Invite New Member",