Fix Engine.get_endpoints (#290)

Author: mickel8

README.md

@@ -21,7 +21,7 @@ The package can be installed by adding `membrane_rtc_engine` to your list of dep
 ```elixir
 def deps do
   [
-    {:membrane_rtc_engine, "~> 0.14.1"}
+    {:membrane_rtc_engine, "~> 0.14.2"}
   ]
 end
 ```

lib/membrane_rtc_engine/engine.ex

@@ -494,6 +494,7 @@ defmodule Membrane.RTC.Engine do
     endpoints =
       ctx.children
       |> Map.values()
+      |> Enum.filter(fn child -> match?({:endpoint, _id}, child.name) end)
       |> Enum.map(fn endpoint ->
         {:endpoint, id} = endpoint.name
         %{id: id, type: endpoint.module}

mix.exs

@@ -1,7 +1,7 @@
 defmodule Membrane.RTC.Engine.MixProject do
   use Mix.Project
 
-  @version "0.14.1"
+  @version "0.14.2"
   @github_url "https://github.com/jellyfish-dev/membrane_rtc_engine"
 
   def project do