Fixed 'no label' being in dropdown toggle label

app/assets/javascripts/labels_select.js.coffee

@@ -212,7 +212,7 @@ class @LabelsSelect
           $a  = $('<a href="#">')
 
           selectedClass = []
-          removesAll = label.id is 0 or not label.id?
+          removesAll = label.id <= 0 or not label.id?
 
           if $dropdown.hasClass('js-filter-bulk-update')
             indeterminate = instance.indeterminateIds
@@ -281,7 +281,7 @@ class @LabelsSelect
             selectedIds = $("input[name='#{fieldName}']").map(-> @value).get()
 
             selected = _.filter glDropdown.fullData, (label) ->
-              selectedIds.indexOf("#{label[propertyName]}") >= 0 if label[propertyName]?
+              selectedIds.indexOf("#{label[propertyName]}") >= 0 if label[propertyName]? and label.id > 0
 
             if selected.length is 1
               selected[0].title
@@ -292,11 +292,9 @@ class @LabelsSelect
         defaultLabel: defaultLabel
         fieldName: fieldName
         id: (label) ->
+          return if label.id <= 0
           if $dropdown.hasClass('js-issuable-form-dropdown')
-            if label.id is 0
-              return
-            else
-              return label.id
+            return label.id
 
           if $dropdown.hasClass("js-filter-submit") and not label.isAny?
             label.title

app/views/shared/issuable/_label_dropdown.html.haml

@@ -7,7 +7,7 @@
 - classes = local_assigns.fetch(:classes, [])
 - selected = local_assigns.fetch(:selected, nil)
 - selected_toggle = local_assigns.fetch(:selected_toggle, nil)
-- dropdown_data = {toggle: 'dropdown', field_name: "label_name[]", show_no: "true", show_any: "true", selected: selected, project_id: project.try(:id), labels: labels_filter_path, default_label: "Label"}
+- dropdown_data = {toggle: 'dropdown', field_name: "label_name[]", show_no: "true", show_any: "true", selected: selected, project_id: project.try(:id), labels: labels_filter_path, default_label: "Labels"}
 - dropdown_data.merge!(data_options)
 - classes << 'js-extra-options' if extra_options
 - classes << 'js-filter-submit' if filter_submit