Add Rainbow in db/fixtures/production

What does this MR do and why?

Update rainbow usage in the following files:

ee/lib/system_check/geo
 001_applicatoin_settings.rb - X usages
 003_admin.rb - 1 usages
 010_settings.rb - 7 usages
 ldap_check.rb - 3 usages

Related to #458102 (closed)

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