Added user language setting (#3875)

* Added user language setting

* Added translation string for setting

* Fixed import order + typo

* improved checking if the user has a language saved in the db

* The current saved language is now set a default inside the dropdown

* fmt

* When a user signs in and doesn't have a language saved, the current browser language is saved

* updated gitea-sdk

* Merge branch 'master' of https://github.com/go-gitea/gitea into save-user-language

# Conflicts:
#	models/migrations/migrations.go
#	models/migrations/v62.go

* Made tests work again

* trigger CI

* trigger CI

* fmt

* re-trigger that FUCKING CI SO IT REALLY PICKS UP THE LATEST COMMIT ISTEAD OF PREDENDING TO DO SO

* re-trigger that FUCKING CI SO IT REALLY PICKS UP THE LATEST COMMIT ISTEAD OF PREDENDING TO DO SO

* When loggin in, only the language col gets updated instead of everything

templates/user/settings/profile.tmpl

@@ -40,6 +40,20 @@
 					<input id="location" name="location"  value="{{.SignedUser.Location}}">
 				</div>
 
+					<div class="field">
+						<label for="language">{{.i18n.Tr "settings.language"}}</label>
+						<div class="ui language selection dropdown" id="language">
+							<input name="language" type="hidden">
+							<i class="dropdown icon"></i>
+							<div class="text">{{range .AllLangs}}{{if eq $.SignedUser.Language .Lang}}{{.Name}}{{end}}{{end}}</div>
+							<div class="menu">
+							{{range .AllLangs}}
+								<div class="item{{if eq $.SignedUser.Language .Lang}} active selected{{end}}" data-value="{{.Lang}}">{{.Name}}</div>
+							{{end}}
+							</div>
+						</div>
+					</div>
+
 				<div class="field">
 					<button class="ui green button">{{$.i18n.Tr "settings.update_profile"}}</button>
 				</div>