refactor(plugin-vue): simplify logic of resolving script

[HydratedPig]

Description

There are simplified functions available for resolving the clientCache or ssrCache, but the code in resolveScript still directly utilizes the cache. This pull request aims to replace the old code with getResolvedScript and setResolvedScript.

Additional context

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

Before submitting the PR, please make sure you do the following

• Read the Contributing Guidelines.
• Read the Pull Request Guidelines and follow the PR Title Convention.
• Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
• Ideally, include relevant tests that fail without this PR but pass with it.