fix(coding): preserve contextual unicode folding

electron/coding-projects/project-files.ts

@@ -154,7 +154,6 @@ function foldedTextWithOffsets(value: string): {
   starts: number[];
   ends: number[];
 } {
-  let text = '';
   const starts: number[] = [];
   const ends: number[] = [];
   for (let index = 0; index < value.length;) {
@@ -163,14 +162,13 @@ function foldedTextWithOffsets(value: string): {
     const character = String.fromCodePoint(codePoint);
     const end = index + character.length;
     const folded = character.toLowerCase();
-    text += folded;
     for (let foldedIndex = 0; foldedIndex < folded.length; foldedIndex += 1) {
       starts.push(index);
       ends.push(end);
     }
     index = end;
   }
-  return { text, starts, ends };
+  return { text: value.toLowerCase(), starts, ends };
 }
 
 async function fallbackFileList(projectPath: string): Promise<string[]> {