Move EE helper to proper namespace

Signed-off-by: Rémy Coutable <remy@rymai.me>

app/helpers/ee/issuables_helper.rb

-module EE
-  module IssuablesHelper
-    def weight_dropdown_label(weight)
-      if Issue.weight_options.include?(weight)
-        weight
-      else
-        h(weight.presence || 'Weight')
-      end
-    end
-  end
-end

app/helpers/ee/issues_helper.rb

+module EE
+  module IssuesHelper
+    def weight_dropdown_tag(issuable, opts = {}, &block)
+      title = issuable.weight || 'Weight'
+      additional_toggle_class = opts.delete(:toggle_class)
+      options = {
+        toggle_class: "js-weight-select #{additional_toggle_class}",
+        dropdown_class: 'dropdown-menu-selectable dropdown-menu-weight',
+        title: 'Select weight',
+        placeholder: 'Search weight',
+        data: {
+          field_name: "#{issuable.class.model_name.param_key}[weight]",
+          default_label: 'Weight'
+        }
+      }.deep_merge(opts)
+
+      dropdown_tag(title, options: options) do
+        capture(&block)
+      end
+    end
+
+    def weight_dropdown_label(weight)
+      if Issue.weight_options.include?(weight)
+        weight
+      else
+        h(weight.presence || 'Weight')
+      end
+    end
+  end
+end

app/helpers/ee_issues_helper.rb

-module EeIssuesHelper
-  def weight_dropdown_tag(issuable, opts = {}, &block)
-    title = issuable.weight || 'Weight'
-    additional_toggle_class = opts.delete(:toggle_class)
-    options = {
-      toggle_class: "js-weight-select #{additional_toggle_class}",
-      dropdown_class: 'dropdown-menu-selectable dropdown-menu-weight',
-      title: 'Select weight',
-      placeholder: 'Search weight',
-      data: {
-        field_name: "#{issuable.class.model_name.param_key}[weight]",
-        default_label: 'Weight'
-      }
-    }.deep_merge(opts)
-
-    dropdown_tag(title, options: options) do
-      capture(&block)
-    end
-  end
-
-  def weight_dropdown_label(weight)
-    if Issue.weight_filter_options.include?(weight)
-      weight
-    else
-      h(weight.presence || 'Weight')
-    end
-  end
-end