fix(NcDateTime): Respect language

Signed-off-by: Christopher Ng <chrng8@gmail.com>
(cherry picked from commit 846ebeaafb)

src/composables/useFormatDateTime.ts

@@ -21,7 +21,7 @@
  */
 
 import type { MaybeRef } from 'vue'
-import { getCanonicalLocale } from '@nextcloud/l10n'
+import { getCanonicalLocale, getLanguage } from '@nextcloud/l10n'
 import { computed, onUnmounted, ref, toValue, watchEffect } from 'vue'
 import { t } from '../l10n.js'
 
@@ -47,7 +47,7 @@ interface FormatDateOptions {
 }
 
 /**
- * Composable for formatting time stamps using current users locale
+ * Composable for formatting time stamps using current users locale and language
  *
  * @param {import('vue').MaybeRef<Date | number>} timestamp Current timestamp
  * @param {object} opts Optional options
@@ -86,7 +86,7 @@ export function useFormatDateTime(
 	/** Time string formatted for main text */
 	const formattedTime = computed<string>(() => {
 		if (wrappedOptions.value.relativeTime !== false) {
-			const formatter = new Intl.RelativeTimeFormat(getCanonicalLocale(), { numeric: 'auto', style: wrappedOptions.value.relativeTime })
+			const formatter = new Intl.RelativeTimeFormat(getLanguage(), { numeric: 'auto', style: wrappedOptions.value.relativeTime })
 
 			const diff = date.value.getTime() - currentTime.value
 			const seconds = diff / 1000