support decoding maps to lists as rtdb can return either depending on if key are numerical and sequential or not

Author: nbransby

firebase-common/src/androidMain/kotlin/dev/gitlive/firebase/_decoders.kt

@@ -20,7 +20,7 @@ actual fun FirebaseDecoder.structureDecoder(descriptor: SerialDescriptor): Compo
                 }
             }
         }
-        StructureKind.LIST -> (value as List<*>).let {
+        StructureKind.LIST -> ((value as? Map<*, *>)?.values?.toList() ?: value as List<*>).let {
             FirebaseCompositeDecoder(it.size) { _, index -> it[index] }
         }
         StructureKind.MAP -> (value as Map<*, *>).entries.toList().let {

firebase-common/src/iosMain/kotlin/dev/gitlive/firebase/_decoders.kt

@@ -20,7 +20,7 @@ actual fun FirebaseDecoder.structureDecoder(descriptor: SerialDescriptor): Compo
             }
         }
     }
-    StructureKind.LIST -> (value as List<*>).let {
+    StructureKind.LIST -> ((value as? Map<*, *>)?.values?.toList() ?: value as List<*>).let {
         FirebaseCompositeDecoder(it.size) { _, index -> it[index] }
     }
     StructureKind.MAP -> (value as Map<*, *>).entries.toList().let {

firebase-common/src/jsMain/kotlin/dev/gitlive/firebase/_decoders.kt

@@ -22,7 +22,7 @@ actual fun FirebaseDecoder.structureDecoder(descriptor: SerialDescriptor): Compo
             }
         }
     }
-    StructureKind.LIST -> (value as Array<*>).let {
+    StructureKind.LIST -> (js("Object").values(value) as Array<*>).let {
         FirebaseCompositeDecoder(it.size) { _, index -> it[index] }
     }
     StructureKind.MAP -> (js("Object").entries(value) as Array<Array<Any>>).let {