refactor(frontend): Reactivityで型を明示するように (#12791)

* refactor(frontend): Reactivityで型を明示するように

* fix: プロパティの参照が誤っているのを修正

* fix: 初期化の値を空配列に書き換えていた部分をnullに置き換え

packages/frontend/src/scripts/get-note-menu.ts

@@ -122,7 +122,7 @@ export function getCopyNoteLinkMenu(note: Misskey.entities.Note, text: string):
 export function getNoteMenu(props: {
 	note: Misskey.entities.Note;
 	menuButton: Ref<HTMLElement>;
-	translation: Ref<any>;
+	translation: Ref<Misskey.entities.NotesTranslateResponse | null>;
 	translating: Ref<boolean>;
 	isDeleted: Ref<boolean>;
 	currentClip?: Misskey.entities.Clip;

packages/frontend/src/scripts/use-chart-tooltip.ts

@@ -11,8 +11,12 @@ export function useChartTooltip(opts: { position: 'top' | 'middle' } = { positio
 	const tooltipShowing = ref(false);
 	const tooltipX = ref(0);
 	const tooltipY = ref(0);
-	const tooltipTitle = ref(null);
-	const tooltipSeries = ref(null);
+	const tooltipTitle = ref<string | null>(null);
+	const tooltipSeries = ref<{
+		backgroundColor: string;
+		borderColor: string;
+		text: string;
+	}[] | null>(null);
 	let disposeTooltipComponent;
 
 	os.popup(MkChartTooltip, {