feat: 新增编辑器功能与优化

1. 添加编辑器3D场景服务接口及实现
2. 实现平台IO工具类与数据库连接
3. 新增SVG图标资源
4. 优化编辑器操作Mixin架构
5. 修复Web端兼容性问题
6. 更新依赖配置与构建脚本
7. 改进主题自适应服务
8. 添加对齐辅助线组件
9. 完善迷你文字编辑栏
10. 优化页面过渡动画

linux/flutter/generated_plugin_registrant.cc

@@ -6,12 +6,16 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <file_selector_linux/file_selector_plugin.h>
 #include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
 #include <gtk/gtk_plugin.h>
 #include <sqlite3_flutter_libs/sqlite3_flutter_libs_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) file_selector_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "FileSelectorPlugin");
+  file_selector_plugin_register_with_registrar(file_selector_linux_registrar);
   g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
   flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  file_selector_linux
   flutter_secure_storage_linux
   gtk
   sqlite3_flutter_libs