Fix PHP API Ref in preview comment #2720 (#2720)

preview_comment.yaml: Fix `\E` bug

(cherry picked from commit 6d3d707)

Author: adriendupuis

.github/workflows/preview_comment.yaml

@@ -33,11 +33,11 @@ jobs:
                     md_change_list=$(git diff --name-only HEAD "origin/$GITHUB_BASE_REF" -- docs/ | grep -E "^docs\/.*\.md$" | sed -E "s|^docs/(.*)\.md$|- [docs/\1.md](${build_url}\1/)|")
                     par_change_list='';
                     for par_file in $(git diff --diff-filter=A --name-only "origin/$GITHUB_BASE_REF" HEAD -- docs/api/php_api/php_api_reference/ | grep -E '^docs\/.*\.html$'); do
-                      fqcn=$(grep -o 'data-copy-value=".*">Copy FQCN' $par_file | sed -E 's|data-copy-value="(.*)">.*|\1|' | sed 's|\\|\\\\|g')
+                      fqcn=$(grep -o 'data-copy-value=".*">Copy FQCN' $par_file | sed 's|E|§E§|' | sed -E 's|data-copy-value="(.*)">.*|\1|' | sed 's|\\|\\\\|g')
                       link=$(echo $par_file | sed -E "s|^docs/(.*\.html)$|- [\`${fqcn}\`](${build_url}\1)|")
                       par_change_list=$(echo -e "$par_change_list\n$link")
                     done
-                    par_change_list=$(echo "$par_change_list" | sed '1d')
+                    par_change_list=$(echo "$par_change_list" | sed '1d' | sed 's|§E§|\\E|g')
                     change_count=$(( $(echo "$md_change_list" | wc -l) + $(echo "$par_change_list" | wc -l) ))
 
                     if [[ -z "$md_change_list$par_change_list" ]] ; then