Make new issue title look like wiki

Changes the style of the new issue title in order
to match with the one in the wiki, which was preferred.

app/views/projects/issues/_form.html.haml

 = form_for [@project, @issue],
-           html: { class: 'issue-form common-note-form js-quick-submit js-requires-input' } do |f|
+           html: { class: 'issue-form common-note-form gl-mt-3 js-quick-submit js-requires-input' } do |f|
   = render 'shared/issuable/form', f: f, issuable: @issue

app/views/projects/issues/new.html.haml

@@ -2,7 +2,7 @@
 - breadcrumb_title _("New")
 - page_title _("New Issue")
 
-%h3.page-title= _("New Issue")
-%hr
+.top-area.flex-lg-row
+  %h3.page-title= _("New Issue")
 
 = render "form"

changelogs/unreleased/288326-wiki-edit-page-title-s-styling-mismatch-2.yml

+---
+title: Make new issue title look like wiki
+merge_request: 50940
+author: Jacopo Beschi @jacopo-beschi
+type: changed