Lemenzo Files premium UI standard
- Home and every premium Lemenzo subpage render below Android statusBars + displayCutout.
- The real WindowInsets top value is added before each page's existing design padding.
- Result pages inherit the same protection through BaseResultActivity.
- Subpages use a top-bar back arrow for previous-screen navigation with Home fallback.
- Browse sidebar uses Home (house icon), followed by Recent and device storage.
- Home is a destination and is never labelled Back.
- Legacy DocumentsUI/SAF activities retain their existing BaseActivity inset implementation.