refactor(UI): The issue page editing box uses the tiptap component

[Ceron-CSS]

1.On the new creation and detail pages of the issue, the rich text editor uses components encapsulated in tiptap and supports markdown syntax
2.Delete the file corresponding to the old text editor

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
mega	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 20, 2025 8:30am

[Copilot]

Pull Request Overview

This PR replaces the old Lexical-based rich text editor in the issue creation and detail pages with a new tiptap-based SimpleNoteContent component, adds file attachment and reaction support, and removes the legacy editor code and styles.

• Switches IssueNewPage and IssueDetailPage to use SimpleNoteContent, dropzone for attachments, and a reaction picker.
• Deletes the entire MrView/rich-editor folder (CSS, plugins, themes, and components) and its license file.
• Adds bottom-scroll handling and integrates markdown-supporting editor helpers.

Reviewed Changes

Copilot reviewed 11 out of 23 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
moon/apps/web/components/SimpleNoteEditor/SimpleNoteContent.tsx	Added bottom margin to the editor container
moon/apps/web/components/MrView/rich-editor/styles.css	Removed legacy Lexical editor styles
moon/apps/web/components/MrView/rich-editor/plugins/TreeViewPlugin.tsx	Deleted legacy TreeViewPlugin
moon/apps/web/components/MrView/rich-editor/plugins/ToolbarPlugin.tsx	Deleted legacy ToolbarPlugin
moon/apps/web/components/MrView/rich-editor/icons/LICENSE.md	Deleted icon license file
moon/apps/web/components/MrView/rich-editor/RichEditor.tsx	Deleted legacy RichEditor component
moon/apps/web/components/MrView/rich-editor/LexicalContent.tsx	Deleted legacy read-only LexicalContent component
moon/apps/web/components/MrView/rich-editor/ExampleTheme.ts	Deleted legacy Lexical theme
moon/apps/web/components/MrView/files-changed.tsx	Deleted legacy FilesChanged component
moon/apps/web/components/Issues/IssueNewPage.tsx	Replaced RichEditor with SimpleNoteContent, file upload, picker
moon/apps/web/components/Issues/IssueDetailPage.tsx	Replaced RichEditor with SimpleNoteContent, file upload, picker

Comments suppressed due to low confidence (3)

moon/apps/web/components/Issues/IssueNewPage.tsx:24

• [nitpick] The function name set_to_loading uses snake_case, which is inconsistent with the project's camelCase convention. Consider renaming it to setToLoading for consistency.

  const set_to_loading = (index: number) => {

moon/apps/web/components/Issues/IssueNewPage.tsx:94

• The integration of SimpleNoteContent with the dropzone file upload is not covered by tests. Consider adding unit or integration tests for comment submission with attachments to prevent regressions.

          <input {...dropzone.getInputProps()} />

moon/apps/web/components/Issues/IssueDetailPage.tsx:147

• The function set_to_loading is not defined in this scope, which will cause a runtime error. It looks like you intended to use setLoading('comment', true) instead or remove this call.

      set_to_loading(3)