dry up signature badge templates

since all the signature badge templates now have more or less the same
content we can push most of it down to the main template `_signature_badge`.

app/views/projects/commit/_other_user_signature_badge.html.haml

 - title = capture do
-  .gpg-popover-icon.invalid
-    = render 'shared/icons/icon_status_notfound_borderless.svg'
-  %div
-    This commit was signed with a different user's verified signature.
+  This commit was signed with a different user's verified signature.
 
-- content = capture do
-  = render partial: 'projects/commit/signature_badge_user', locals: { signature: signature }
-
-- locals = { signature: signature, title: title, content: content, label: 'Unverified', css_classes: ['invalid'] }
+- locals = { signature: signature, title: title, label: 'Unverified', css_class: 'invalid', icon: 'icon_status_notfound_borderless', show_user: true }
 
 = render partial: 'projects/commit/signature_badge', locals: locals

app/views/projects/commit/_same_user_different_email_signature_badge.html.haml

 - title = capture do
-  .gpg-popover-icon.invalid
-    = render 'shared/icons/icon_status_notfound_borderless.svg'
-  %div
-    This commit was signed with a verified signature, but the committer email
-    is <strong>not verified</strong> to belong to the same user.
+  This commit was signed with a verified signature, but the committer email
+  is <strong>not verified</strong> to belong to the same user.
 
-- content = capture do
-  = render partial: 'projects/commit/signature_badge_user', locals: { signature: signature }
-
-- locals = { signature: signature, title: title, content: content, label: 'Unverified', css_classes: ['invalid'] }
+- locals = { signature: signature, title: title, label: 'Unverified', css_class: ['invalid'], icon: 'icon_status_notfound_borderless', show_user: true }
 
 = render partial: 'projects/commit/signature_badge', locals: locals

app/views/projects/commit/_signature_badge.html.haml

-- css_classes = commit_signature_badge_classes(css_classes)
+- css_classes = commit_signature_badge_classes(css_class)
 
 - title = capture do
   .gpg-popover-status
-    = title
+    .gpg-popover-icon{ class: css_class }
+      = render "shared/icons/#{icon}.svg"
+    %div
+      = title
 
 - content = capture do
-  .clearfix
-    = content
+  - if local_assigns.fetch(:show_user, false)
+    .clearfix
+      = render partial: 'projects/commit/signature_badge_user', locals: { signature: signature }
 
   GPG Key ID:
   %span.monospace= signature.gpg_key_primary_keyid
 
-
   = link_to('Learn more about signing commits', help_page_path('user/project/repository/gpg_signed_commits/index.md'), class: 'gpg-popover-help-link')
 
 %button{ class: css_classes, data: { toggle: 'popover', html: 'true', placement: 'auto top', title: title, content: content } }

app/views/projects/commit/_unverified_signature_badge.html.haml

 - title = capture do
-  .gpg-popover-icon.invalid
-    = render 'shared/icons/icon_status_notfound_borderless.svg'
-  %div
-    This commit was signed with an <strong>unverified</strong> signature.
+  This commit was signed with an <strong>unverified</strong> signature.
 
-- locals = { signature: signature, title: title, label: 'Unverified', css_classes: ['invalid'] }
+- locals = { signature: signature, title: title, label: 'Unverified', css_class: 'invalid', icon: 'icon_status_notfound_borderless' }
 
 = render partial: 'projects/commit/signature_badge', locals: locals

app/views/projects/commit/_verified_signature_badge.html.haml

 - title = capture do
-  .gpg-popover-icon.valid
-    = render 'shared/icons/icon_status_success_borderless.svg'
-  %div
-    This commit was signed with a <strong>verified</strong> signature and the
-    committer email is verified to belong to the same user.
+  This commit was signed with a <strong>verified</strong> signature and the
+  committer email is verified to belong to the same user.
 
-- content = capture do
-  = render partial: 'projects/commit/signature_badge_user', locals: { signature: signature }
-
-- locals = { signature: signature, title: title, content: content, label: 'Verified', css_classes: ['valid'] }
+- locals = { signature: signature, title: title, label: 'Verified', css_class: 'valid', icon: 'icon_status_success_borderless', show_user: true }
 
 = render partial: 'projects/commit/signature_badge', locals: locals