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

scripts/migration/renamings.json5

@@ -1467,5 +1467,16 @@
         },
       },
     },
+    {
+      oldName: 'Blockly.Mutator',
+      newName: 'Blockly.icons.MutatorIcon',
+      exports: {
+        Mutator: {
+          newExport: 'MutatorIcon',
+          oldPath: 'Blockly.Mutator',
+          newPath: 'Blocky.icons.MutatorIcon',
+        },
+      },
+    },
   ],
 }