Retain S3-backed origin

[petlitskiy]

In accordance with Jira BN-3784

[petlitskiy]

Checked with cfhighlander cftest --no-validate

[aaronwalker]

@petlitskiy FYI I'm getting this error when I run the tests

cfndsl template for cloudfront written to /workspace/hl-component-s3-cloudfront/out/cfndsl/cloudfront.compiled.cfndsl.rb
/workspace/hl-component-s3-cloudfront/out/cfndsl/cloudfront.compiled.cfndsl.rb:38:in `block in eval_file_with_extras': undefined local variable or method `origins' for #<CfnDsl::CloudFormationTemplate:0x00007fa404414920 @AWSTemplateFormatVersion="2010-09-09"> (NameError)
Did you mean?  vpcOrigin
        from /home/gitpod/.rvm/gems/ruby-3.2.8/gems/cfndsl-1.7.2/lib/cfndsl/jsonable.rb:164:in `instance_eval'
        from /home/gitpod/.rvm/gems/ruby-3.2.8/gems/cfndsl-1.7.2/lib/cfndsl/jsonable.rb:164:in `declare'
        from /home/gitpod/.rvm/gems/ruby-3.2.8/gems/cfndsl-1.7.2/lib/cfndsl/cloudformation.rb:114:in `CloudFormation'
        from /workspace/hl-component-s3-cloudfront/out/cfndsl/cloudfront.compiled.cfndsl.rb:6:in `eval_file_with_extras'
        ````
        
I'll do some digging       

[aaronwalker]

Pushed fix