Fix glitch-soc HAML linting issues (#2166)

app/views/layouts/_theme.html.haml

@@ -9,6 +9,5 @@
         = stylesheet_pack_tag pack_path, media: 'all', crossorigin: 'anonymous'
       - else
         = stylesheet_pack_tag "skins/#{theme[:flavour]}/#{theme[:skin]}/#{theme[:pack]}", media: 'all', crossorigin: 'anonymous'
-    - if theme[:preload]
-      - theme[:preload].each do |link|
-        %link{ href: asset_pack_path("#{link}.js"), crossorigin: 'anonymous', rel: 'preload', as: 'script' }/
+    - theme[:preload]&.each do |link|
+      %link{ href: asset_pack_path("#{link}.js"), crossorigin: 'anonymous', rel: 'preload', as: 'script' }/

app/views/layouts/application.html.haml

@@ -39,7 +39,7 @@
 
     = yield :header_tags
 
-    -#  These must come after :header_tags to ensure our initial state has been defined.
+    -# These must come after :header_tags to ensure our initial state has been defined.
     = render partial: 'layouts/theme', object: @core
     = render partial: 'layouts/theme', object: @theme
 

app/views/layouts/embedded.html.haml

@@ -12,7 +12,7 @@
       %link{ rel: 'dns-prefetch', href: storage_host }/
 
     = render_initial_state
-    = javascript_pack_tag "locales", crossorigin: 'anonymous'
+    = javascript_pack_tag 'locales', crossorigin: 'anonymous'
     - if @theme
       - if @theme[:supported_locales].include? I18n.locale.to_s
         = javascript_pack_tag "locales/#{@theme[:flavour]}/#{I18n.locale}", crossorigin: 'anonymous'