Fix mouse/keys not working when replay is paused

src/main/java/com/replaymod/replay/ReplayModReplay.java

@@ -89,6 +89,9 @@ public class ReplayModReplay {
 
     @Mod.EventHandler
     public void init(FMLInitializationEvent event) {
+        Minecraft mc = core.getMinecraft();
+        mc.timer = new InputReplayTimer(mc.timer, this);
+
         new GuiHandler(this).register();
     }
 
@@ -96,4 +99,8 @@ public class ReplayModReplay {
         ReplayFile replayFile = new ZipReplayFile(new ReplayStudio(), file);
         replayHandler = new ReplayHandler(replayFile, true);
     }
+
+    public ReplayMod getCore() {
+        return core;
+    }
 }