Focus global search input on open

For better accesibility, the search input in the global search
modal should be focused when the search modal is opened.

Resolves: https://github.com/nextcloud/server/issues/41651

Signed-off-by: fenn-cs <fenn25.fn@gmail.com>
Signed-off-by: nextcloud-command <nextcloud-command@users.noreply.github.com>

core/src/views/GlobalSearchModal.vue

@@ -13,7 +13,8 @@
 		<!-- Global search form -->
 		<div ref="globalSearch" class="global-search-modal">
 			<h1>{{ t('core', 'Global search') }}</h1>
-			<NcInputField :value.sync="searchQuery"
+			<NcInputField ref="searchInput"
+				:value.sync="searchQuery"
 				type="text"
 				:label="t('core', 'Search apps, files, tags, messages') + '...'"
 				@update:value="debouncedFind" />
@@ -222,6 +223,15 @@ export default {
 			},
 		},
 	},
+	watch: {
+		isVisible(value) {
+			this.$nextTick(() => {
+				if (value) {
+					this.focusInput()
+				}
+			})
+		},
+	},
 	mounted() {
 		getProviders().then((providers) => {
 			this.providers = providers
@@ -503,6 +513,9 @@ export default {
 			this.dateFilter.text = t('core', `Between ${this.dateFilter.startFrom.toLocaleDateString()} and ${this.dateFilter.endAt.toLocaleDateString()}`)
 			this.updateDateFilter()
 		},
+		focusInput() {
+			this.$refs.searchInput.$el.children[0].children[0].focus()
+		},
 		closeModal() {
 		    this.$refs.globalSearchModal.close()
 			this.searchQuery = ''