User isn't notified about current settings or rules getting discarded when changing the Environment or closing the Remote config window. User has to push the changes for it to be saved. Hence there should be a warning window thrown to the user about his changes being discarded. Refer to the attached video.

Steps to reproduce:
1) Create a new project
2) Window > Package Manager > Install Remote Config
3) Link the project to Unity services to get a Unity id
4) Window > Remote config
5) Add rule > Change Environment or Close the window

Actual result: Newly added rule will be discarded without any warning

Expected result: User should be notified with a warning about the changes getting discarded when changing the Environment or closing the Remote config window

Found in Remote Config Package version: 1.0.6

Environment: Both Windows and Mac

Note: Currently the user has to PUSH to save the changes made from Editor. But it would be useful to warn the users about changes getting discarded
if they haven't