Minor cleanup/platform consistency fixes

Author: Daeda88

firebase-firestore/src/androidMain/kotlin/dev/gitlive/firebase/firestore/firestore.kt

@@ -75,6 +75,7 @@ actual class FirebaseFirestore(val android: com.google.firebase.firestore.Fireba
                         else -> throw IllegalArgumentException("Existing settings is not of a valid type")
                     }
                 } ?: kotlin.run {
+                    @Suppress("DEPRECATION")
                     when {
                         isPersistenceEnabled -> LocalCacheSettings.Persistent(cacheSizeBytes)
                         cacheSizeBytes == FirestoreSettings.CACHE_SIZE_UNLIMITED -> LocalCacheSettings.Memory(GarbageCollectorSettings.Eager)
@@ -112,7 +113,6 @@ actual class FirebaseFirestore(val android: com.google.firebase.firestore.Fireba
 
     actual fun useEmulator(host: String, port: Int) {
         android.useEmulator(host, port)
-        android.firestoreSettings = firestoreSettings {  }
     }
 
     actual suspend fun disableNetwork() =

firebase-firestore/src/commonTest/kotlin/dev/gitlive/firebase/firestore/firestore.kt

@@ -102,9 +102,7 @@ class FirebaseFirestoreTest {
             useEmulator(emulatorHost, 8080)
             settings = firestoreSettings(settings) {
                 cacheSettings = memoryCacheSettings {
-                    gcSettings = memoryLruGcSettings {
-                        sizeBytes = 50L*1024L*1024L
-                    }
+                    gcSettings = memoryEagerGcSettings { }
                 }
             }
         }

firebase-firestore/src/jsMain/kotlin/dev/gitlive/firebase/firestore/firestore.kt

@@ -105,6 +105,9 @@ actual class FirebaseFirestore(app: JsFirebaseApp) {
         rethrow { clearIndexedDbPersistence(js).await() }
 
     actual fun useEmulator(host: String, port: Int) = rethrow {
+        settings = firestoreSettings(settings) {
+            this.host = "$host:$port"
+        }
         emulatorSettings = EmulatorSettings(host, port)
     }