refactor(frontend): asとanyをすぐなおせる範囲で除去 (#14848)

* refactor(frontend): できるだけanyを除去

* refactor

* lint

* fix

* remove unused

* Update packages/frontend/src/components/MkReactionsViewer.details.vue

* Update packages/frontend/src/components/MkUsersTooltip.vue

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Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/components/MkAntennaEditor.vue

@@ -160,7 +160,7 @@ async function deleteAntenna() {
 function addUser() {
 	os.selectUser({ includeSelf: true }).then(user => {
 		users.value = users.value.trim();
-		users.value += '\n@' + Misskey.acct.toString(user as any);
+		users.value += '\n@' + Misskey.acct.toString(user);
 		users.value = users.value.trim();
 	});
 }