fix: pass fence by reference

Author: cestef

Diff for: components/markdown/src/context.rs

@@ -1,6 +1,6 @@
 use std::borrow::Cow;
 use std::collections::HashMap;
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
 
 use config::Config;
 use libs::tera::{Context, Tera};

Diff for: components/markdown/src/markdown.rs

@@ -565,7 +565,7 @@ pub fn markdown_to_html(
                         cmark::CodeBlockKind::Fenced(fence_info) => FenceSettings::new(fence_info),
                         _ => FenceSettings::new(""),
                     };
-                    let (block, begin) = match CodeBlock::new(fence, context.config, path) {
+                    let (block, begin) = match CodeBlock::new(&fence, context.config, path) {
                         Ok(cb) => cb,
                         Err(e) => {
                             error = Some(e);