## The basics
- [x] I [validated my changes](https://developers.google.com/blockly/guides/contribute/core#making_and_verifying_a_change)
## The details
### Resolves
Fixes#9301Fixes#9312Fixes#9313
Fixes part of #9304
### Proposed Changes
This introduces a variety of specific changes to resolve several issues for screen reader work, including introducing fundamental support for field labeling.
Specifically:
- Field labels have been simplified to only use their custom defined ARIA name otherwise they are null (and thus should be ignored for readout purposes) which wraps up the remaining high-level work for #9301 (#9450 tracks more specific follow-up work to improve upon what's been established at this point). The PR also introduces an ARIA override for number inputs in math blocks so that the readout is correct for them.
- Bubble labeling is more explicit now which is useful for mutators (#9312), warnings, and comments. The general improvement for bubbles wraps up the remaining work for #9313 as well since the core issue was resolved in #9351. By default a bubble has no ARIA label.
- #9304 is partly being addressed here with the change to field images: they are no longer being added to the accessibility node tree unless they are actually navigable (that is, clickable). Part of #9304's goal is to remove extraneous nodes.
- Finally, a typo was fixed for 'replaceable blocks' since these were not reading out correctly. This was noticed in passing and isn't directly related to the other issues.
### Reason for Changes
This PR is largely being used as a basis for one particularly significant issue: #9301. Field labeling has undergone several iterations over the past few months and the team seems comfortable sticking with a "do as little as possible" approach when determining the label, thus justifying the need for expecting more specific customization (i.e. #9450). To this end it's important to be clear that getting fields to a good state is not actually "done" but the need to track it as a large incomplete thing has ended. Note that one important part of #9301 was updating field plugins to be accessible--this largely seems unnecessary as-is as it will be completely dependent on the needs of future user tests. The long-term plan will need to account for making all fields in `blockly-samples` accessible (per #9307).
Some of the terminology used here (e.g. for bubbles) will likely need to change after user testing, but it's important to establish that _something_ correct is communicated even if the terminology may require scaffolding and/or refinement.
It's important to note that while non-clickable field images are no longer in the node graph, their ARIA presence still exists as part of the fluent block labeling solution. That is, `FieldImage`'s alt text is used as part of constructing a fluent block label (sometimes to confusing effect--see #9452).
### Test Coverage
No tests needed since these are experimental changes and do not change existing test behaviors.
### Documentation
No documentation changes are needed for these experimental changes.
### Additional Information
None.
* chore(deps): Add pretter-plugin-organize-imports
* chore: Remove insignificant blank lines in import sections
Since prettier-plugin-organize-imports sorts imports within
sections separated by blank lines, but preserves the section
divisions, remove any blank lines that are not dividing imports
into meaningful sections.
Do not remove blank lines separating side-effect-only imports
from main imports.
* chore: Remove unneded eslint-disable directives
* chore: Organise imports
* 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
