Amir Panahandeh

Simplified toString

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## Status **READY** ## Breaking Changes YES ## Description The goal is to simplify toString method on `Equatable` and `EquatableMixin` and remove repetitive logic. ## Related PRs List related PRs...

This PR contains a breaking change in 'ZefyrController' constructor. I guess it was something we had to do eventually to add more options and flexibility to the controller.

Since this rule returns a delta with length 3 (or 2 if insertion is in empty document), I had to introduce a new logic for applying toggled styles in controller.

I've added Persian stop words from [stopwords-iso/stopwords-fa](https://github.com/stopwords-iso/stopwords-fa) (Excluding punctuations and numbers) and updated the README to include Persian as supported language.

It fixes assertion failure due to unstable state of children list during reordering in `RenderTwoDimensionalViewport.parentDataOf`. This changes the assertion to check debug orphan list and `keepAlive` bucket in addition to...

RenderTwoDimensionalViewport.buildOrObtainChildFor throws assertion failure for a valid vicinity

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### Steps to reproduce 1. Run the example 2. Press on FAB 3. Press again on FAB ### Expected results You should see the initial widgets on screen since pressing...

## Description This PR replaces [Zefyr](https://github.com/memspace/zefyr) with [Fleather](https://github.com/fleather-editor/fleather). Fleather is a fork of Zefyr maintained by some of Zefyr's contributors (@Amir-P, @amantoux, ...) and since Zefyr is not maintained for...

- Fixes #78443 ## Pre-launch Checklist - [X] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [X] I read the [Tree Hygiene] wiki...