Apply key masking to Google API Key and Font Awesome Pro Kit input fields

Apply input masking to the Google API Key and Font Awesome Pro Kit fields to prevent sensitive keys from being fully visible. Display only the first 6 and last 6 characters of the value, with the remaining characters obscured.

<img width="1735" height="738" alt="Image" src="https://github.com/user-attachments/assets/939fcb89-30a5-469e-97ef-208dfb010d26" />