Auto merge of #11758 - mskrzypkows:construct, r=SimonSapin

Small performance improvement

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- [X] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

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node.selection() is not used when text_content is equal to
TextContent::GeneratedContent(content_items)

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components/layout/construct.rs

@@ -726,7 +726,6 @@ impl<'a, ConcreteThreadSafeLayoutNode: ThreadSafeLayoutNode>
             return
         }
 
-        let selection = node.selection();
         let mut style = (*style).clone();
         properties::modify_style_for_text(&mut style);
 
@@ -734,7 +733,7 @@ impl<'a, ConcreteThreadSafeLayoutNode: ThreadSafeLayoutNode>
 
         match text_content {
             TextContent::Text(string) => {
-                let info = box UnscannedTextFragmentInfo::new(string, selection);
+                let info = box UnscannedTextFragmentInfo::new(string, node.selection());
                 let specific_fragment_info = SpecificFragmentInfo::UnscannedText(info);
                 fragments.fragments.push_back(Fragment::from_opaque_node_and_style(
                         node.opaque(),