Code cleanup from MR comments

ee/app/views/projects/security/vulnerabilities/show.html.haml

@@ -30,25 +30,25 @@
           %h3= _('Location')
           %ul
             %li
-              = _("File:")
+              = _('File:')
               = vulnerability_file_link(@vulnerability)
             - if location['class']
               %li
-                = _("Class:")
+                = _('Class:')
                 = location['class']
             - if location['method']
               %li
-                = _("Method:")
+                = _('Method:')
                 %code= location['method']
 
         - if finding.links.any?
-          %h3= _("Links")
+          %h3= _('Links')
           %ul
             - finding.links.each do |link|
-              %li= link_to link["url"], target: '_blank', rel: 'noopener noreferrer'
+              %li= link_to link['url'], target: '_blank', rel: 'noopener noreferrer'
 
         - if finding.identifiers.any?
-          %h3= _("Identifiers")
+          %h3= _('Identifiers')
           %ul
             - finding.identifiers.each do |identifier|
               %li= link_to identifier.name, identifier.url, target: '_blank', rel: 'noopener noreferrer'

ee/spec/controllers/projects/security/vulnerabilities_controller_spec.rb

@@ -80,7 +80,7 @@ describe Projects::Security::VulnerabilitiesController do
       it 'renders the file location' do
         show_vulnerability
 
-        expect(response.body).to have_text(vulnerability.finding.location["file"])
+        expect(response.body).to have_text(vulnerability.finding.location['file'])
       end
 
       it 'renders the solution card' do

ee/spec/helpers/vulnerabilities_helper_spec.rb

@@ -142,6 +142,7 @@ describe VulnerabilitiesHelper do
       it 'uses the default branch' do
         vulnerability.finding.pipelines = []
         vulnerability.finding.save
+
         expect(subject).to include(
           vulnerability.project.default_branch
         )
@@ -152,6 +153,7 @@ describe VulnerabilitiesHelper do
       it 'does not include a reference to the line number' do
         vulnerability.finding.location['start_line'] = nil
         vulnerability.finding.save
+
         expect(subject).not_to include('#L')
       end
     end