fix(android): convert session metadat map to readable map

Author: kholood-ea

android/src/main/java/com/instabug/reactlibrary/RNInstabugSessionReplayModule.java

@@ -9,6 +9,7 @@
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.ReadableArray;
+import com.facebook.react.bridge.ReadableMap;
 import com.facebook.react.bridge.WritableArray;
 import com.facebook.react.bridge.WritableMap;
 import com.instabug.library.OnSessionReplayLinkReady;
@@ -119,7 +120,7 @@ public void onSessionReplayLinkReady(@Nullable String link) {
 
     }
 
-    public WritableMap getSessionMetadataMap(SessionMetadata sessionMetadata){
+    public ReadableMap getSessionMetadataMap(SessionMetadata sessionMetadata){
         WritableMap params = Arguments.createMap();
         params.putString("appVersion",sessionMetadata.getAppVersion());
         params.putString("OS",sessionMetadata.getOs());