fix: Bug - Android app view is below titlebar and action bar on android

Respect Android system bar insets with safe-area shell padding, inset-aware modal and bottom-sheet layouts, transparent edge-to-edge themes, and a Capacitor SystemBars refresh on mobile startup.

Co-authored-by: Cursor <cursoragent@cursor.com>

toju-app/src/app/shared/components/modal-backdrop/modal-backdrop.component.html

@@ -1,6 +1,6 @@
 @if (dismissable()) {
   <div
-    class="fixed inset-0 bg-black/60"
+    class="fixed metoyou-fixed-safe-viewport bg-black/60"
     [class.backdrop-blur-sm]="blur()"
     [style.z-index]="zIndex()"
     (click)="dismiss()"
@@ -12,7 +12,7 @@
   ></div>
 } @else {
   <div
-    class="fixed inset-0 bg-black/60"
+    class="fixed metoyou-fixed-safe-viewport bg-black/60"
     [class.backdrop-blur-sm]="blur()"
     [style.z-index]="zIndex()"
     role="presentation"