debounce negotiations with a timer of 0.1s to fix failing connect (#13)

@@ -68,7 +68,14 @@ constructor(
         return result
     }
 
-    val negotiate = debounce<Unit, Unit>(100, coroutineScope) { createAndSendOffer() }
+    val negotiate = debounce<MediaConstraints?, Unit>(100, coroutineScope) {
+        if (it != null) {
+            createAndSendOffer(it)
+        } else {
+            createAndSendOffer()
+        }
+    }
+
     suspend fun createAndSendOffer(constraints: MediaConstraints = MediaConstraints()) {
         if (listener == null) {
             return

@@ -272,7 +272,7 @@ internal constructor(
             subscriber.prepareForIceRestart()
             // only restart publisher if it's needed
             if (hasPublished) {
-                publisher.createAndSendOffer(
+                publisher.negotiate(
                     getPublisherOfferConstraints().apply {
                         with(mandatory){
                             add(
@@ -294,7 +294,7 @@ internal constructor(
             return
         }
         coroutineScope.launch {
-            publisher.createAndSendOffer(getPublisherOfferConstraints())
+            publisher.negotiate(getPublisherOfferConstraints())
         }
     }