refactor(frontend): lint, one session guard, one request helper, one user context

src/utils/imports.js

@@ -45,7 +45,7 @@ const COLUMNS = {
  * @return {rows} with title, platform, playtimeMinutes and status where the file has them, or {error} as an i18n key
  */
 export const parseCsv = (text) => {
-    const clean = text.replace(/^/, '');
+    const clean = text.replace(/^\uFEFF/, '');
     const firstLine = clean.split(/\r?\n/, 1)[0];
     const delimiter = [',', ';', '\t'].reduce((best, next) =>
         firstLine.split(next).length > firstLine.split(best).length ? next : best);