[CLEAN] Synthetic Benchmark PR #28858 - feat: dark theme icon support

[tomerqodo]

Benchmark PR langgenius#28858

Type: Clean (correct implementation)

Original PR Title: feat: dark theme icon support
Original PR Description: > [!IMPORTANT]

1. Make sure you have read our contribution guidelines
2. Ensure there is an associated issue and you have been assigned to it
3. Use the correct syntax to link this PR: Fixes #<issue number>.

Summary

fix langgenius#29000

Tests

Plugin Type	Status
model	supported
tool	require plugin_daemon update
trigger	require plugin_daemon update
extension	supported
datasource	not support yet, require lots of changes

4 kinds of test packages:
test_packages.zip

Screenshots

Install

Plugin Page

In the workflow

Model Provider

Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

Original PR URL: langgenius#28858