Update CodeMirror 6 styles (#6577)

GitOrigin-RevId: 91cdfcc9fca899666d6740acbb6cc1c2aa991451

services/web/frontend/extracted-translations.json

@@ -94,6 +94,7 @@
   "find_out_more_about_the_file_outline": "",
   "find_the_symbols_you_need_with_premium": "",
   "first_error_popup_label": "",
+  "fold_line": "",
   "following_paths_conflict": "",
   "free_accounts_have_timeout_upgrade_to_increase": "",
   "from_another_project": "",
@@ -306,6 +307,7 @@
   "run_syntax_check_now": "",
   "search": "",
   "search_all": "",
+  "search_bib_files": "",
   "search_close": "",
   "search_command_find": "",
   "search_command_go": "",
@@ -316,11 +318,10 @@
   "search_next": "",
   "search_on_line": "",
   "search_previous": "",
+  "search_references": "",
   "search_regexp": "",
   "search_replace": "",
   "search_replace_all": "",
-  "search_bib_files": "",
-  "search_references": "",
   "select_a_file": "",
   "select_a_project": "",
   "select_an_output_file": "",
@@ -379,6 +380,7 @@
   "try_refresh_page": "",
   "turn_off_link_sharing": "",
   "turn_on_link_sharing": "",
+  "unfold_line": "",
   "unlimited_projects": "",
   "unlink_github_repository": "",
   "unlinking": "",

services/web/locales/en.json

@@ -1550,6 +1550,8 @@
   "layout_processing": "Layout processing",
   "show_in_code": "Show in code",
   "show_in_pdf": "Show in PDF",
+  "fold_line": "Fold line",
+  "unfold_line": "Unfold line",
   "search_all": "all",
   "search_close": "close",
   "search_command_find": "Find",