* refactor: migrate to React

* chore: update nvmrc

* fix: reimplement StylePanel with floating-ui

* chore: update ci config

* refactor: reimplement Icons component

* test: update unit tests

* fix: remove legacy vuejs refs reading

* fix: adjust Occurrence Bar height

* fix: remove debug logs

* fix: recover onContentChange invoking behavior

* test: fix unit test content

* fix: recover fragment icons

* fix: statement not rendering Ret component

* fix: incorrect styling

* fix: incorrect numbering value

* fix: incorrect numbering icon name

* feat: improve style

* fix: collapse button styles

* test: update e2e screenshots

* fix: add element id for tests

* fix: incorrect variable passing

* fix: Return statement styles

* docs: add guide for running Cypress tests locally with sRGB color profile configuration

* Fixed top gap of participants; updated expected snapshots.

* fix: add VITE_VERSION in the lib config

* feat: allow to initiate app with selector string

* Bump major version to 4.0.0 for react migration.

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Co-authored-by: MrCoder <eagle.xiao@gmail.com>