Fix exception when adding items to an emptied queue

music/build.gradle.kts

@@ -1,3 +1,3 @@
 subprojects {
-    version = "3.5.13-SNAPSHOT"
+    version = "3.5.14-SNAPSHOT"
 }

music/player/src/main/kotlin/dev/schlaubi/mikmusic/player/Queue.kt

@@ -42,6 +42,7 @@ class Queue(private var tracksList: MutableList<QueuedTrack> = mutableListOf())
 
     fun poll(): QueuedTrack {
         val queuedTrack = tracksList[order.poll()]
+        nextIndex = nextIndex.coerceAtMost(order.size)
         return queuedTrack
     }
 

music/player/src/test/kotlin/QueueTest.kt

@@ -145,6 +145,16 @@ class QueueTest {
         queue.moveQueuedEntry(5, 7, swap = false)
         assertEquals(tracks[5], queue.tracks[6])
     }
+
+    @Test
+    fun `check queue after queue ran through`() {
+        val queue = makeMockQueue()
+        repeat(queue.tracks.size) { queue.poll() }
+        val track = mockTrack(1)
+        queue.addTracks(track)
+
+        assertEquals(track, queue.poll())
+    }
 }
 
 private fun makeMockQueue() = Queue(MutableList(10, ::mockTrack))