refactor(spx-gui): self-host dotlottie-player.wasm to reduce startup latency

[cn0809]

close: #2564

[gemini-code-assist]

Summary of Changes

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This pull request refactors the handling of Lottie animations to improve application startup performance. By transitioning from the @lottiefiles/dotlottie-vue package to a custom local wrapper around @lottiefiles/dotlottie-web, the dotlottie-player.wasm file is now self-hosted. This change eliminates the need to fetch the WASM file from a CDN at runtime, thereby reducing initial load times and enhancing reliability, especially in environments with restricted network access.

Highlights

• Dependency Update: Replaced the @lottiefiles/dotlottie-vue package with @lottiefiles/dotlottie-web in the project dependencies.
• Local WASM Hosting: Introduced a custom Vue wrapper component, DotLottieVue, to self-host the dotlottie-player.wasm file, preventing external CDN requests.
• Import Path Refactoring: Updated all existing usages of the DotLottieVue component across the application to point to the newly created local wrapper.
• Documentation: Added a README.md file to explain the rationale and implementation details of self-hosting the WASM file for Lottie animations.

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Changelog

• spx-gui/package-lock.json
  • Updated the @lottiefiles/dotlottie-vue dependency to @lottiefiles/dotlottie-web.
  • Removed the node_modules/@lottiefiles/dotlottie-vue entry.
• spx-gui/package.json
  • Updated the @lottiefiles/dotlottie-vue dependency to @lottiefiles/dotlottie-web.
• spx-gui/src/components/asset/gen/common/GenLoading.vue
  • Changed the import path for DotLottieVue.
• spx-gui/src/components/asset/gen/common/SettingsInput.vue
  • Changed the import path for DotLottieVue.
• spx-gui/src/components/common/dotlottie-vue/DotLottieVue.ts
  • Added a new Vue component that wraps @lottiefiles/dotlottie-web and configures local WASM loading.
• spx-gui/src/components/common/dotlottie-vue/READEME.md
  • Added documentation explaining the purpose and design of the local DotLottieVue wrapper.
• spx-gui/src/components/ui/loading/UIDetailedLoading.vue
  • Changed the import path for DotLottieVue.

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Code Review

This pull request refactors the Lottie animation handling by self-hosting the dotlottie-player.wasm file, replacing @lottiefiles/dotlottie-vue with @lottiefiles/dotlottie-web and creating a local Vue component wrapper. This change aims to reduce startup latency and improve reliability on restricted networks. However, the new DotLottieVue.ts component introduces a medium-severity Client-Side Request Forgery (CSRF/SSRF) vulnerability because the src and data props accept URLs without validation, potentially allowing an attacker to force arbitrary requests. This requires remediation by implementing a URL allow-list. Furthermore, there are a couple of suggestions to improve the new wrapper component's maintainability and correctness.