Updated deprecation statements and moved components init after attaching base context

This needed to be done in order to get the Koin working as it requires injection before calling onCreate

app/src/main/java/com/topjohnwu/magisk/di/ApplicationModule.kt

@@ -1,6 +1,7 @@
 package com.topjohnwu.magisk.di
 
 import android.content.Context
+import androidx.preference.PreferenceManager
 import com.skoumal.teanity.rxbus.RxBus
 import com.topjohnwu.magisk.App
 import org.koin.dsl.module
@@ -15,4 +16,5 @@ val applicationModule = module {
         get<App>().protectedContext
             .getSharedPreferences("su_timeout", 0)
     }
+    single { PreferenceManager.getDefaultSharedPreferences(get<App>().protectedContext) }
 }