refactor(frontend): 空/エラー結果表示をコンポーネント化 (#15963)

* wip

* wip

* wip

* wip

* wip

* Update MkResult.vue

* Add storybook story for MkResult (#15964)

* Update MkResult.vue

---------

Co-authored-by: taichan <40626578+tai-cha@users.noreply.github.com>

packages/frontend/src/components/global/MkResult.stories.impl.ts

@@ -0,0 +1,57 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import MkResult from './MkResult.vue';
+import type { StoryObj } from '@storybook/vue3';
+export const Default = {
+	render(args) {
+		return {
+			components: {
+				MkResult,
+			},
+			setup() {
+				return {
+					args,
+				};
+			},
+			computed: {
+				props() {
+					return {
+						...this.args,
+					};
+				},
+			},
+			template: '<MkResult v-bind="props" />',
+		};
+	},
+	args: {
+		type: 'empty',
+		text: 'Lorem Ipsum',
+	},
+	parameters: {
+		layout: 'centered',
+	},
+} satisfies StoryObj<typeof MkResult>;
+export const emptyWithNoText = {
+	...Default,
+	args: {
+		...Default.args,
+		text: undefined,
+	},
+} satisfies StoryObj<typeof MkResult>;
+export const notFound = {
+	...Default,
+	args: {
+		...Default.args,
+		type: 'notFound',
+	},
+} satisfies StoryObj<typeof MkResult>;
+export const errorType = {
+	...Default,
+	args: {
+		...Default.args,
+		type: 'error',
+	},
+} satisfies StoryObj<typeof MkResult>;