fix!: refactor mutator icon (#7115)

* feat: add basic mutator icon

* feat: add actual mutation behavior to icon

* chore: add bumping blocks back into the bubble

* fix: add updating block styles

* feat: add static methods to mutator icon

* chore: delete old mutator code

* fix: use the new mutator icon

* chore: docs and format

* chore: my own comments

* chore: first pass at PR comments

* chore: make type strings internal

* chore: add todo

* chore: format

* chore: move properties to module level

* chore: fix using in demos

* chore: move Mutator to icons.MutatorIcon

* chore: move reconnect to connection

* chore: move findParentWs to workspace

* chore: properly override and call super

* chore: remove bubbleIsVisible check

* chore: change imports to import type

* chore: use elvis operator

* chore: update renamings

* chore: reduce changes to js block files

core/blockly.ts

@@ -174,7 +174,6 @@ import {MenuItem} from './menuitem.js';
 import {MetricsManager} from './metrics_manager.js';
 import {Msg, setLocale} from './msg.js';
 import {MiniWorkspaceBubble} from './bubbles/mini_workspace_bubble.js';
-import {Mutator} from './mutator.js';
 import {Names} from './names.js';
 import {Options} from './options.js';
 import * as uiPosition from './positionable_helpers.js';
@@ -438,10 +437,6 @@ WorkspaceCommentSvg.prototype.showContextMenu = function (
   ContextMenu.show(e, menuOptions, this.RTL);
 };
 
-Mutator.prototype.newWorkspaceSvg = function (options: Options): WorkspaceSvg {
-  return new WorkspaceSvg(options);
-};
-
 MiniWorkspaceBubble.prototype.newWorkspaceSvg = function (
   options: Options
 ): WorkspaceSvg {
@@ -621,7 +616,6 @@ export {MarkerManager};
 export {Menu};
 export {MenuItem};
 export {MetricsManager};
-export {Mutator};
 export {Msg, setLocale};
 export {Names};
 export {Options};