Replace fa-link icons with GitLab SVG link icon

app/views/projects/blame/show.html.haml

 - page_title _("Blame"), @blob.path, @ref
-- link_icon = icon("link")
+- link_icon = sprite_icon("link", size: 12)
 
 #blob-content-holder.tree-holder
   = render "projects/blob/breadcrumb", blob: @blob, blame: true

app/views/shared/_file_highlight.html.haml

 .file-content.code.js-syntax-highlight
   .line-numbers
     - if blob.data.present?
-      - link_icon = icon('link')
+      - link_icon = sprite_icon('link', size: 12)
       - link = blob_link if defined?(blob_link)
       - blob.data.each_line.each_with_index do |_, index|
         - offset = defined?(first_line_number) ? first_line_number : 1

changelogs/unreleased/dimitrieh-master-patch-55257.yml

+---
+title: Replace fa-link icons with GitLab SVG link icon
+merge_request: 36973
+author:
+type: other

spec/features/projects/blobs/blob_line_permalink_updater_spec.rb

@@ -50,7 +50,7 @@ RSpec.describe 'Blob button line permalinks (BlobLinePermalinkUpdater)', :js do
         visit_blob
 
         find("##{ending_fragment}").hover
-        find("##{ending_fragment} i").click
+        find("##{ending_fragment} svg").click
 
         expect(find('.js-data-file-blob-permalink-url')['href']).to eq(get_absolute_url(project_blob_path(project, tree_join(sha, path), anchor: ending_fragment)))
       end
@@ -100,7 +100,7 @@ RSpec.describe 'Blob button line permalinks (BlobLinePermalinkUpdater)', :js do
         visit_blob
 
         find("##{ending_fragment}").hover
-        find("##{ending_fragment} i").click
+        find("##{ending_fragment} svg").click
 
         expect(find('.js-blob-blame-link')['href']).to eq(get_absolute_url(project_blame_path(project, tree_join('master', path), anchor: ending_fragment)))
       end