feat: implement safety screen with swipe back functionality in MainScreen

app/src/main/java/com/rosetta/messenger/MainActivity.kt

@@ -834,6 +834,23 @@ fun MainScreen(
         }
 
         // Other screens with swipe back
+        SwipeBackContainer(
+                isVisible = isSafetyVisible,
+                onBack = { navStack = navStack.filterNot { it is Screen.Safety } },
+                isDarkTheme = isDarkTheme
+        ) {
+            SafetyScreen(
+                    isDarkTheme = isDarkTheme,
+                    accountPublicKey = accountPublicKey,
+                    accountPrivateKey = accountPrivateKey,
+                    onBack = { navStack = navStack.filterNot { it is Screen.Safety } },
+                    onBackupClick = {
+                        navStack = navStack + Screen.Backup
+                    },
+                    onDeleteAccount = onDeleteAccount
+            )
+        }
+
         SwipeBackContainer(
                 isVisible = isBackupVisible,
                 onBack = { navStack = navStack.filterNot { it is Screen.Backup } },
@@ -879,23 +896,6 @@ fun MainScreen(
             )
         }
 
-        SwipeBackContainer(
-                isVisible = isSafetyVisible,
-                onBack = { navStack = navStack.filterNot { it is Screen.Safety } },
-                isDarkTheme = isDarkTheme
-        ) {
-            SafetyScreen(
-                    isDarkTheme = isDarkTheme,
-                    accountPublicKey = accountPublicKey,
-                    accountPrivateKey = accountPrivateKey,
-                    onBack = { navStack = navStack.filterNot { it is Screen.Safety } },
-                    onBackupClick = {
-                        navStack = navStack + Screen.Backup
-                    },
-                    onDeleteAccount = onDeleteAccount
-            )
-        }
-
         SwipeBackContainer(
                 isVisible = isThemeVisible,
                 onBack = { navStack = navStack.filterNot { it is Screen.Theme } },

app/src/main/java/com/rosetta/messenger/ui/settings/ProfileScreen.kt

@@ -583,7 +583,7 @@ fun ProfileScreen(
     // Snap вызывается в onPreFling — СРАЗУ при отпускании пальца
     // (как Telegram ACTION_UP → smoothScrollBy)
     // ═══════════════════════════════════════════════════════════════
-    val nestedScrollConnection = remember {
+    val nestedScrollConnection = remember(hasAvatar) {
         object : NestedScrollConnection {
             override fun onPreScroll(available: Offset, source: NestedScrollSource): Offset {
                 val delta = available.y