Added PickPresetDialog for importing from preset, enable importing presets for groups and actions

lib/dialogs/pick_preset_dialog.rb

@@ -0,0 +1,23 @@
+module TAC
+  class Dialog
+    class PickPresetDialog < Dialog
+      def build
+        @limit = @options[:limit]
+
+        list = window.backend.config.presets.groups if @limit == :groups
+        list = window.backend.config.presets.actions if @limit == :actions
+
+        background Gosu::Color::GRAY
+
+        stack(width: 1.0, height: 512, scroll: true) do
+          list.each do |item|
+            button item.name, width: 1.0 do
+              close
+              @options[:callback_method].call(item)
+            end
+          end
+        end
+      end
+    end
+  end
+end