remove redundant new line when context is not prepended

Author: AbanoubGhadban

lib/react_on_rails/helper.rb

@@ -406,11 +406,12 @@ def build_react_component_result_for_server_streamed_content(
       rendered_html_stream = rendered_html_stream.transform do |chunk|
         if is_first_chunk
           is_first_chunk = false
-          next <<-HTML
+          html_content = <<-HTML
             #{rails_context_if_not_already_rendered}
             #{component_specification_tag}
             <#{content_tag_options_html_tag} id="#{render_options.dom_id}">#{chunk}</#{content_tag_options_html_tag}>
           HTML
+          html_content.strip
         end
         chunk
       end

node_package/src/serverRenderReactComponent.ts

@@ -200,7 +200,7 @@ See https://github.com/shakacode/react_on_rails#renderer-functions`);
     }
 
     renderResult = new PassThrough();
-    ReactDOMServer.renderToPipeableStream(reactRenderingResult as ReactElement).pipe(renderResult);
+    ReactDOMServer.renderToPipeableStream(reactRenderingResult).pipe(renderResult);
 
     // TODO: Add console replay script to the stream
     // Ensure to avoid console messages leaking between different components rendering