[core] Fix l10n data file (#7804)

Author: flaviendelangle

docs/data/date-pickers/localization/data.json

@@ -59,8 +59,8 @@
     "languageTag": "hu-HU",
     "importName": "huHU",
     "localeName": "Hungarian",
-    "missingKeysCount": 0,
-    "totalKeysCount": 34,
+    "missingKeysCount": 1,
+    "totalKeysCount": 35,
     "githubLink": "https://github.com/mui/mui-x/blob/next/packages/x-date-pickers/src/locales/huHU.ts/"
   },
   {

packages/x-date-pickers/src/locales/huHU.ts

@@ -72,6 +72,7 @@ const huHUPickers: Partial<PickersLocaleText<any>> = {
   fieldYearPlaceholder: (params) => 'É'.repeat(params.digitAmount),
   fieldMonthPlaceholder: (params) => (params.contentType === 'letter' ? 'HHHH' : 'HH'),
   fieldDayPlaceholder: () => 'NN',
+  // fieldWeekDayPlaceholder: params => params.contentType === 'letter' ? 'EEEE' : 'EE',
   fieldHoursPlaceholder: () => 'óó',
   fieldMinutesPlaceholder: () => 'pp',
   fieldSecondsPlaceholder: () => 'mm',