Merge branch 'fix/instance-gen-custom-static' into 'develop'

instance.gen task: fix crash when using custom static directory

Closes #1082

See merge request pleroma/pleroma!2237

test/tasks/instance_test.exs

@@ -3,9 +3,10 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.InstanceTest do
-  use ExUnit.Case, async: true
+  use ExUnit.Case
 
   setup do
+    static_dir = Pleroma.Config.get([:instance, :static_dir])
     File.mkdir_p!(tmp_path())
 
     on_exit(fn ->
@@ -15,6 +16,8 @@ defmodule Pleroma.InstanceTest do
       if File.exists?(static_dir) do
         File.rm_rf(Path.join(static_dir, "robots.txt"))
       end
+
+      Pleroma.Config.put([:instance, :static_dir], static_dir)
     end)
 
     :ok