Fix correct usage of teams (#17732)

- `.Teams` isn't a field on the User type, thus using the seperate
loaded teams.
- Add a space between `PathEscape` and argument.

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

modules/context/org.go

@@ -69,6 +69,12 @@ func HandleOrgAssignment(ctx *Context, args ...bool) {
 	org := ctx.Org.Organization
 	ctx.Data["Org"] = org
 
+	teams, err := org.LoadTeams()
+	if err != nil {
+		ctx.ServerError("LoadTeams", err)
+	}
+	ctx.Data["OrgTeams"] = teams
+
 	// Admin has super access.
 	if ctx.IsSigned && ctx.User.IsAdmin {
 		ctx.Org.IsOwner = true