Fix Finnish TimeOfDate format (#118204)

* init

* add test

Author: thkim1011

packages/flutter_localizations/lib/src/l10n/generated_material_localizations.dart

@@ -13227,7 +13227,7 @@ class MaterialLocalizationFi extends GlobalMaterialLocalizations {
   String get tabLabelRaw => r'Välilehti $tabIndex/$tabCount';
 
   @override
-  TimeOfDayFormat get timeOfDayFormatRaw => TimeOfDayFormat.HH_colon_mm;
+  TimeOfDayFormat get timeOfDayFormatRaw => TimeOfDayFormat.HH_dot_mm;
 
   @override
   String get timePickerDialHelpText => 'VALITSE AIKA';

packages/flutter_localizations/lib/src/l10n/material_fi.arb

@@ -1,6 +1,6 @@
 {
   "scriptCategory": "English-like",
-  "timeOfDayFormat": "HH:mm",
+  "timeOfDayFormat": "HH.mm",
   "openAppDrawerTooltip": "Avaa navigointivalikko",
   "backButtonTooltip": "Takaisin",
   "closeButtonTooltip": "Sulje",

packages/flutter_localizations/test/material/date_time_test.dart

@@ -107,6 +107,11 @@ void main() {
         expect(await formatTimeOfDay(tester, const Locale('ja'), const TimeOfDay(hour: 20, minute: 32)), '20:32');
       });
 
+      testWidgets('formats ${TimeOfDayFormat.HH_dot_mm}', (WidgetTester tester) async {
+        expect(await formatTimeOfDay(tester, const Locale('fi'), const TimeOfDay(hour: 20, minute: 32)), '20.32');
+        expect(await formatTimeOfDay(tester, const Locale('fi'), const TimeOfDay(hour: 9, minute: 32)), '09.32');
+      });
+
       testWidgets('formats ${TimeOfDayFormat.frenchCanadian}', (WidgetTester tester) async {
         expect(await formatTimeOfDay(tester, const Locale('fr', 'CA'), const TimeOfDay(hour: 9, minute: 32)), '09 h 32');
       });