Sort tag search result by name

closes #6734

Changelog.md

 # 0.5.8.0
 
 ## Refactor
+* Sort tag autocompletion by tag name [#6734](https://github.com/diaspora/diaspora/pull/6734)
 
 ## Bug fixes
 * Fix empty name field when editing aspect names [#6706](https://github.com/diaspora/diaspora/pull/6706)

app/models/acts_as_taggable_on-tag.rb

@@ -8,7 +8,7 @@ module ActsAsTaggableOn
     end
 
     def self.autocomplete(name)
-      where("name LIKE ?", "#{name.downcase}%")
+      where("name LIKE ?", "#{name.downcase}%").order("name ASC")
     end
 
     def self.normalize(name)

spec/models/acts_as_taggable_on_tag_spec.rb

@@ -13,6 +13,12 @@ describe ActsAsTaggableOn::Tag, :type => :model do
     it "does an end where on tags" do
       expect(tag.autocomplete("CAT")).to eq([tag_cats])
     end
+
+    it "sorts the results by name" do
+      tag_cat = tag.create(name: "cat")
+      tag_catt = tag.create(name: "catt")
+      expect(tag.autocomplete("CAT")).to eq([tag_cat, tag_cats, tag_catt])
+    end
   end
 
   describe ".normalize" do