Merge pull request #7189 from nextcloud-libraries/backport/7185/stable8

[stable8] fix(useIsDarkTheme): provide default value to silence runtime warnings

Author: ShGKme

src/composables/useIsDarkTheme/constants.ts

@@ -10,4 +10,4 @@ import type { ComputedRef, InjectionKey } from 'vue'
  *
  * @private
  */
-export const INJECTION_KEY_THEME: InjectionKey<ComputedRef<'light' | 'dark' | ''>> = Symbol.for('nc:theme:enforced')
+export const INJECTION_KEY_THEME: InjectionKey<ComputedRef<'light' | 'dark' | ''> | undefined> = Symbol.for('nc:theme:enforced')

src/composables/useIsDarkTheme/index.ts

@@ -55,7 +55,7 @@ const useInternalIsDarkTheme = createSharedComposable(() => useIsDarkThemeElemen
  */
 export function useIsDarkTheme(): DeepReadonly<Ref<boolean>> {
 	const isDarkTheme = useInternalIsDarkTheme()
-	const enforcedTheme = inject(INJECTION_KEY_THEME)
+	const enforcedTheme = inject(INJECTION_KEY_THEME, undefined)
 
 	return computed(() => {
 		if (enforcedTheme?.value) {