Fixes rendering duplicate data-src attribute

Fixed link_to_member_avatar specs

Removed unused lazy_load option

Fixed var usage in link_to_member_avtar

app/helpers/projects_helper.rb

@@ -20,16 +20,15 @@ module ProjectsHelper
   end
 
   def link_to_member_avatar(author, opts = {})
-    default_opts = { size: 16, lazy_load: false }
+    default_opts = { size: 16 }
     opts = default_opts.merge(opts)
 
     classes = %W[avatar avatar-inline s#{opts[:size]}]
     classes << opts[:avatar_class] if opts[:avatar_class]
 
     avatar = avatar_icon_for_user(author, opts[:size])
-    src = opts[:lazy_load] ? nil : avatar
 
-    image_tag(src, width: opts[:size], class: classes, alt: '', "data-src" => avatar)
+    image_tag(avatar, width: opts[:size], class: classes, alt: '')
   end
 
   def author_content_tag(author, opts = {})

spec/helpers/projects_helper_spec.rb

@@ -314,13 +314,13 @@ RSpec.describe ProjectsHelper do
     end
 
     it 'returns image tag for member avatar' do
-      expect(helper).to receive(:image_tag).with(expected, { width: 16, class: %w[avatar avatar-inline s16], alt: "", "data-src" => anything })
+      expect(helper).to receive(:image_tag).with(expected, { width: 16, class: %w[avatar avatar-inline s16], alt: "" })
 
       helper.link_to_member_avatar(user)
     end
 
     it 'returns image tag with avatar class' do
-      expect(helper).to receive(:image_tag).with(expected, { width: 16, class: %w[avatar avatar-inline s16 any-avatar-class], alt: "", "data-src" => anything })
+      expect(helper).to receive(:image_tag).with(expected, { width: 16, class: %w[avatar avatar-inline s16 any-avatar-class], alt: "" })
 
       helper.link_to_member_avatar(user, avatar_class: "any-avatar-class")
     end