Fix(WEB-9465): emit partners.json on preview builds for search indexing (#37717)

* fix(partners): emit partners.json on preview builds for search indexing

* refactor(search): drop obsolete CI_JOB_NAME branch from search.json guard

Author: onceLearner

layouts/_default/list.partners.json

@@ -1,4 +1,4 @@
-{{- if (or (eq hugo.Environment "live") (in (slice "typesense_sync_preview:manual") (os.Getenv "CI_JOB_NAME" | default "" ))) -}}
+{{- if (in (slice "live" "preview") hugo.Environment) -}}
     {{ $.Scratch.Add "partners_collection" slice }}
 
     {{- range where .Site.AllPages "Type" "=" "partners" -}}

layouts/_default/list.search.json

@@ -1,4 +1,4 @@
-{{- if (or (eq hugo.Environment "live") (eq hugo.Environment "preview") (in (slice "typesense_sync_preview:manual" "algolia_sync_preview:manual") (os.Getenv "CI_JOB_NAME" | default "" ))) -}}
+{{- if (in (slice "live" "preview") hugo.Environment) -}}
     {{ $.Scratch.Add "algoliaindex" slice }}
     {{ $section := $.Site.GetPage "section" .Section }}
     {{ $hugo_context := . }}