Fix color issues when the system theme is changed (#2738)

CHANGES.md

@@ -9,6 +9,7 @@ Improvements 🙌:
 
 Bugfix 🐛:
  - Message states cosmetic changes (#3007)
+ - Fix color issues when the system theme is changed (#2738)
 
 Translations 🗣:
  -

vector/src/main/java/im/vector/app/features/configuration/VectorConfiguration.kt

@@ -39,6 +39,8 @@ class VectorConfiguration @Inject constructor(private val context: Context) {
             Timber.v("## onConfigurationChanged(): restore the expected value ${VectorLocale.applicationLocale}")
             Locale.setDefault(VectorLocale.applicationLocale)
         }
+        // Night mode may have changed
+        ThemeUtils.init(context)
     }
 
     fun applyToApplicationContext() {