Hiding license key #4496

Please answer the following questions for yourself before submitting an issue.

• I am running the latest version
• I checked the documentation and found no answer
• I checked to make sure that this issue has not already been filed

AdGuard version

4.0

Environment

- OS: Android 10, 13

Root access

• Yes, I have it.

What filters do you have enabled?

No response

What Stealth Mode options do you have enabled?

No response

Issue Details

Need to hide the license key in the License tab, as in version 3.6.11.
It would also be better to add the function of "show" the key after clicking on it

Expected Behavior

The license key is hidden

Actual Behavior

The license key is not hidden

Screenshots

Additional Information

No response