[rich text] Add translations and tests for toolbar buttons (#11883)

GitOrigin-RevId: 11c93215fcd7131b59b6990a3b81361e5b193a71

services/web/frontend/extracted-translations.json

@@ -786,6 +786,22 @@
   "too_many_requests": "",
   "too_many_search_results": "",
   "too_recently_compiled": "",
+  "toolbar_add_comment": "",
+  "toolbar_bullet_list": "",
+  "toolbar_choose_section_heading_level": "",
+  "toolbar_decrease_indent": "",
+  "toolbar_format_bold": "",
+  "toolbar_format_italic": "",
+  "toolbar_increase_indent": "",
+  "toolbar_insert_display_math": "",
+  "toolbar_insert_figure": "",
+  "toolbar_insert_inline_math": "",
+  "toolbar_insert_link": "",
+  "toolbar_insert_table": "",
+  "toolbar_numbered_list": "",
+  "toolbar_redo": "",
+  "toolbar_toggle_symbol_palette": "",
+  "toolbar_undo": "",
   "total_per_month": "",
   "total_per_year": "",
   "total_words": "",

services/web/locales/en.json

@@ -1504,6 +1504,22 @@
   "too_many_requests": "Too many requests were received in a short space of time. Please wait for a few moments and try again.",
   "too_many_search_results": "There are more than 100 results. Please refine your search.",
   "too_recently_compiled": "This project was compiled very recently, so this compile has been skipped.",
+  "toolbar_add_comment": "Add Comment",
+  "toolbar_bullet_list": "Bullet List",
+  "toolbar_choose_section_heading_level": "Choose section heading level",
+  "toolbar_decrease_indent": "Decrease Indent",
+  "toolbar_format_bold": "Format Bold",
+  "toolbar_format_italic": "Format Italic",
+  "toolbar_increase_indent": "Increase Indent",
+  "toolbar_insert_display_math": "Insert Display Math",
+  "toolbar_insert_figure": "Insert Figure",
+  "toolbar_insert_inline_math": "Insert Inline Math",
+  "toolbar_insert_link": "Insert Link",
+  "toolbar_insert_table": "Insert Table",
+  "toolbar_numbered_list": "Numbered List",
+  "toolbar_redo": "Redo",
+  "toolbar_toggle_symbol_palette": "Toggle Symbol Palette",
+  "toolbar_undo": "Undo",
   "tooltip_hide_filetree": "Click to hide the file-tree",
   "tooltip_hide_pdf": "Click to hide the PDF",
   "tooltip_show_filetree": "Click to show the file-tree",