fix: improved pinia support

[nickmessing]

1. onUnmounted was called in loading tracking
2. onServerPrefetch only works inside components

[pkg-pr-new]

commit: 19b0972

@vue/apollo-components

pnpm add https://pkg.pr.new/vuejs/apollo/@vue/apollo-components@1571

@vue/apollo-composable

pnpm add https://pkg.pr.new/vuejs/apollo/@vue/apollo-composable@1571

@vue/apollo-option

pnpm add https://pkg.pr.new/vuejs/apollo/@vue/apollo-option@1571

@vue/apollo-ssr

pnpm add https://pkg.pr.new/vuejs/apollo/@vue/apollo-ssr@1571

@vue/apollo-util

pnpm add https://pkg.pr.new/vuejs/apollo/@vue/apollo-util@1571

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