feat: support select / multi select option (#4039)

* feat: implement select option cell

* feat: support adding new select option

* feat: support selecting / deselecting option

* feat: clear search field after adding new property

* feat: support updating option name

frontend/appflowy_flutter/lib/mobile/presentation/database/field/edit_select_field.dart

@@ -0,0 +1,49 @@
+import 'package:appflowy/generated/locale_keys.g.dart';
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flowy_infra_ui/flowy_infra_ui.dart';
+import 'package:flutter/material.dart';
+
+// include single select and multiple select
+class EditSelectField extends StatefulWidget {
+  const EditSelectField({super.key});
+
+  @override
+  State<EditSelectField> createState() => _EditSelectFieldState();
+}
+
+class _EditSelectFieldState extends State<EditSelectField> {
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        _SearchField(
+          hintText: LocaleKeys.grid_selectOption_searchOrCreateOption.tr(),
+        ),
+      ],
+    );
+  }
+}
+
+class _SearchField extends StatelessWidget {
+  const _SearchField({
+    required this.hintText,
+  });
+
+  final String hintText;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(
+        horizontal: 16,
+        vertical: 12,
+      ),
+      child: SizedBox(
+        height: 44, // the height is fixed.
+        child: FlowyTextField(
+          hintText: hintText,
+        ),
+      ),
+    );
+  }
+}