feat(components): align component name casing Button

frontend/src/components/input/Button.story.vue

@@ -1,6 +1,6 @@
 <script lang="ts" setup>
 import {logEvent} from 'histoire/client'
-import XButton from './button.vue'
+import XButton from './Button.vue'
 </script>
 
 <template>

frontend/src/components/input/ColorPicker.vue

@@ -68,7 +68,7 @@
 <script setup lang="ts">
 import {computed, ref, watch} from 'vue'
 import {createRandomID} from '@/helpers/randomId'
-import XButton from '@/components/input/button.vue'
+import XButton from '@/components/input/Button.vue'
 
 const {
 	modelValue,

frontend/src/components/input/editor/TipTap.vue

@@ -187,7 +187,7 @@ import AttachmentModel from '@/models/attachment'
 import AttachmentService from '@/services/attachment'
 import {useI18n} from 'vue-i18n'
 import BaseButton from '@/components/base/BaseButton.vue'
-import XButton from '@/components/input/button.vue'
+import XButton from '@/components/input/Button.vue'
 import {Placeholder} from '@tiptap/extension-placeholder'
 import {eventToHotkeyString} from '@github/hotkey'
 import {Extension, mergeAttributes} from '@tiptap/core'