List drawn shapes under Draw, with icon shapes and colour swatches

Each shape drawn by hand gets a row under Draw, as Import's files do: its
colour swatch, its name, and show/hide, fly-to and remove. A shape is named
in its row, and its swatch opens the five colours there, so labelling and
colouring happen after a shape is drawn and can be seen, instead of in a
field filled in beforehand. Area, Line and Pin become icon buttons, named
for screen readers and tooltips, and the colour for the next shape is a row
of swatches instead of a dropdown.

The annotation engine gains per-mark remove, setHidden, restyle and frame,
and onChange so the list follows the board. A hidden mark stays on the board
at alpha 0, a renamed line keeps its length, and fly-to frames a line by its
whole path. Voice marks are not listed.

The Draw, form-field and segmented-control gates drive the new controls;
swatches are checked as chips, not segments.

src/i18n/locales/ru.json

@@ -910,14 +910,15 @@
   "Board cleared.": "Доска очищена.",
   "Draw on the world — click vertices, double-click or Enter to finish, Esc to cancel": "Рисовать на карте мира — щёлкайте по вершинам, двойной щелчок или Enter — завершить, Esc — отменить",
   "Draw": "Рисование",
-  "Shape": "Фигура",
   "Shape to draw": "Фигура для рисования",
   "Area": "Зона",
   "Line": "Линия",
   "Pin": "Метка",
-  "Label (optional)": "Подпись (необязательно)",
-  "Label for the drawn shape": "Подпись нарисованной фигуры",
-  "Colour of the drawn shape": "Цвет нарисованной фигуры",
+  "Colour of {name}": "Цвет: {name}",
+  "Change the colour of {name}": "Изменить цвет: {name}",
+  "Name of {name}": "Название: {name}",
+  "Colour of the next shape": "Цвет следующей фигуры",
+  "Drawn shapes": "Нарисованные фигуры",
   "Primary": "Основной",
   "Amber": "Янтарный",
   "Cyan": "Голубой",