fix(rss): RSS feed respects sitemap-disabled pages

Author: srgg

modules/blox/layouts/rss.xml

@@ -2,6 +2,7 @@
 {{- /* Upstream Hugo bug - RSS dates can be in future: https://github.com/gohugoio/hugo/issues/3918 */ -}}
 {{- $page_context := cond .IsHome site . -}}
 {{- $pages := $page_context.RegularPages -}}
+{{- $pages = where $pages "Params.sitemap.disable" "!=" true -}}
 {{- $limit := site.Config.Services.RSS.Limit -}}
 {{- if ge $limit 1 -}}
   {{- $pages = $pages | first $limit -}}
@@ -16,7 +17,7 @@
     {{ end -}}
     <description>{{ .Title | default site.Title }}</description>
     <generator>HugoBlox Kit (https://hugoblox.com)</generator>
-    {{- with site.Language.Locale }}<language>{{.}}</language>{{end -}}
+    {{- with site.LanguageCode }}<language>{{.}}</language>{{end -}}
     {{- with site.Copyright }}<copyright>{{ strings.ReplacePairs . "{year}" now.Year "&copy;" "©" | plainify }}</copyright>{{end -}}
     {{- if not .Date.IsZero }}<lastBuildDate>{{ .Date.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</lastBuildDate>{{ end -}}
     {{- if .Scratch.Get "og_image" }}