Refine fanout timeline (#12507)

* chore(endpoints/hybrid-timeline): don't pack inside getFromDb

* chore(endpoints/hybrid-timeline): Redisから取得する部分のうちSTLに依存しなそうなところを別のServiceに切り出し

* chore(endpoints/local-timeline): FanoutTimelineEndpointServiceで再実装

* chore(endpoints/channels/timeline): FanoutTimelineEndpointServiceで再実装

* chore(endpoints/timeline): FanoutTimelineEndpointServiceで再実装

* chore(endpoints/user-list-timeline): FanoutTimelineEndpointServiceで再実装

* chore(endpoints/users/notes): FanoutTimelineEndpointServiceで再実装

* chore: add useDbFallback to FanoutTimelineEndpointService.timeline and always true for channel / user note list

* style: fix lint error

* chore: split logic to multiple functions

* chore: implement redis fallback

* chore: 成功率を上げる

* fix: db fallback not working

* feat: allowPartial

* chore(frontend): set allowPartial

* chore(backend): remove fallbackIfEmpty

HTL will never be purged so it's no longer required

* fix: missing allowPartial in channel timeline

* fix: type of timelineConfig in hybrid-timeline

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Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/frontend/src/components/MkPagination.vue

@@ -206,6 +206,7 @@ async function init(): Promise<void> {
 	await os.api(props.pagination.endpoint, {
 		...params,
 		limit: props.pagination.limit ?? 10,
+		allowPartial: true,
 	}).then(res => {
 		for (let i = 0; i < res.length; i++) {
 			const item = res[i];