Small bug fixes (#298)

fix: List remote branches for merge targets (#293)
fix: consider remote branches (#297)
fix: Save popup contents to temp_registers (#294) 

This is a #PATCH release.

lua/gitlab/actions/miscellaneous.lua

@@ -35,9 +35,17 @@ M.attach_file = function()
 end
 
 M.editable_popup_opts = {
+  action_before_close = true,
+  action_before_exit = false,
   save_to_temp_register = true,
 }
 
+M.non_editable_popup_opts = {
+  action_before_close = true,
+  action_before_exit = false,
+  save_to_temp_register = false,
+}
+
 -- Get the index of the next popup when cycling forward
 local function next_index(i, n, count)
   count = count > 0 and count or 1