Fix smart background for real this time, fix issues with theme not changing

app/src/main/java/exh/util/ContextExtensions.kt

@@ -5,20 +5,22 @@ import android.content.ClipboardManager
 import android.content.Context
 import android.content.res.Configuration
 import android.net.wifi.WifiManager
+import androidx.core.content.getSystemService
 
 /**
  * Property to get the wifi manager from the context.
  */
 val Context.wifiManager: WifiManager
-    get() = applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager
+    get() = applicationContext.getSystemService()!!
 
 val Context.clipboardManager: ClipboardManager
-    get() = applicationContext.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+    get() = applicationContext.getSystemService()!!
 
 val Context.jobScheduler: JobScheduler
-    get() = applicationContext.getSystemService(Context.JOB_SCHEDULER_SERVICE) as JobScheduler
+    get() = applicationContext.getSystemService()!!
 
-fun Context.isInNightMode(): Boolean {
-    val currentNightMode = resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
-    return currentNightMode == Configuration.UI_MODE_NIGHT_YES
-}
+val Context.isInNightMode: Boolean
+    get() {
+        val currentNightMode = resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
+        return currentNightMode == Configuration.UI_MODE_NIGHT_YES
+    }