fix new team 500 (#6749)

* fix new team 500

* Update models/unit.go

Co-Authored-By: lunny <xiaolunwen@gmail.com>

models/unit.go

@@ -25,6 +25,11 @@ const (
 	UnitTypeExternalTracker                     // 7 ExternalTracker
 )
 
+// Value returns integer value for unit type
+func (u UnitType) Value() int {
+	return int(u)
+}
+
 func (u UnitType) String() string {
 	switch u {
 	case UnitTypeCode:

templates/org/team/new.tmpl

@@ -57,7 +57,7 @@
 							{{range $t, $unit := $.Units}}
 							<div class="field">
 								<div class="ui toggle checkbox">
-									<input type="checkbox" class="hidden" name="units" value="{{$unit.Type}}"{{if or (eq $.Team.ID 0) ($.Team.UnitEnabled $unit.Type)}} checked{{end}}>
+									<input type="checkbox" class="hidden" name="units" value="{{$unit.Type.Value}}"{{if or (eq $.Team.ID 0) ($.Team.UnitEnabled $unit.Type)}} checked{{end}}>
 									<label>{{$.i18n.Tr $unit.NameKey}}</label>
 									<span class="help">{{$.i18n.Tr $unit.DescKey}}</span>
 								</div>