Refactor image handling and decoding logic

- Introduced a maximum bitmap decode dimension to prevent excessive memory usage.
- Enhanced base64 to bitmap conversion by extracting payload and applying EXIF orientation.
- Improved error handling for image downloads and decoding processes.
- Simplified media picker and chat input components to manage keyboard visibility more effectively.
- Updated color selection grid to adaptively adjust based on available width.
- Added safety checks for notifications and call actions in profile screens.
- Optimized bitmap decoding in uriToBase64Image to handle large images more efficiently.

app/src/main/java/com/rosetta/messenger/biometric/BiometricPreferences.kt

@@ -27,9 +27,13 @@ class BiometricPreferences(private val context: Context) {
         private const val PREFS_FILE_NAME = "rosetta_secure_biometric_prefs"
         private const val KEY_BIOMETRIC_ENABLED = "biometric_enabled"
         private const val ENCRYPTED_PASSWORD_PREFIX = "encrypted_password_"
+        // Shared between all BiometricPreferences instances so UI in different screens
+        // receives updates immediately (ProfileScreen <-> BiometricEnableScreen).
+        private val biometricEnabledState = MutableStateFlow(false)
     }
     
-    private val _isBiometricEnabled = MutableStateFlow(false)
+    private val appContext = context.applicationContext
+    private val _isBiometricEnabled = biometricEnabledState
     
     private val encryptedPrefs: SharedPreferences by lazy {
         createEncryptedPreferences()
@@ -49,13 +53,13 @@ class BiometricPreferences(private val context: Context) {
     private fun createEncryptedPreferences(): SharedPreferences {
         try {
             // Создаем MasterKey с максимальной защитой
-            val masterKey = MasterKey.Builder(context)
+            val masterKey = MasterKey.Builder(appContext)
                 .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
                 .setUserAuthenticationRequired(false) // Биометрия проверяется отдельно в BiometricAuthManager
                 .build()
             
             return EncryptedSharedPreferences.create(
-                context,
+                appContext,
                 PREFS_FILE_NAME,
                 masterKey,
                 EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
@@ -63,7 +67,7 @@ class BiometricPreferences(private val context: Context) {
             )
         } catch (e: Exception) {
             // Fallback на обычные SharedPreferences в случае ошибки (не должно произойти)
-            return context.getSharedPreferences(PREFS_FILE_NAME + "_fallback", Context.MODE_PRIVATE)
+            return appContext.getSharedPreferences(PREFS_FILE_NAME + "_fallback", Context.MODE_PRIVATE)
         }
     }
 
@@ -76,16 +80,22 @@ class BiometricPreferences(private val context: Context) {
      * Включить биометрическую аутентификацию
      */
     suspend fun enableBiometric() = withContext(Dispatchers.IO) {
-        encryptedPrefs.edit().putBoolean(KEY_BIOMETRIC_ENABLED, true).apply()
-        _isBiometricEnabled.value = true
+        val success = encryptedPrefs.edit().putBoolean(KEY_BIOMETRIC_ENABLED, true).commit()
+        if (!success) {
+            Log.w(TAG, "Failed to persist biometric enabled state")
+        }
+        _isBiometricEnabled.value = encryptedPrefs.getBoolean(KEY_BIOMETRIC_ENABLED, false)
     }
 
     /**
      * Отключить биометрическую аутентификацию
      */
     suspend fun disableBiometric() = withContext(Dispatchers.IO) {
-        encryptedPrefs.edit().putBoolean(KEY_BIOMETRIC_ENABLED, false).apply()
-        _isBiometricEnabled.value = false
+        val success = encryptedPrefs.edit().putBoolean(KEY_BIOMETRIC_ENABLED, false).commit()
+        if (!success) {
+            Log.w(TAG, "Failed to persist biometric disabled state")
+        }
+        _isBiometricEnabled.value = encryptedPrefs.getBoolean(KEY_BIOMETRIC_ENABLED, false)
     }
 
     /**
@@ -117,8 +127,11 @@ class BiometricPreferences(private val context: Context) {
      * Удалить все биометрические данные
      */
     suspend fun clearAll() = withContext(Dispatchers.IO) {
-        encryptedPrefs.edit().clear().apply()
-        _isBiometricEnabled.value = false
+        val success = encryptedPrefs.edit().clear().commit()
+        if (!success) {
+            Log.w(TAG, "Failed to clear biometric preferences")
+        }
+        _isBiometricEnabled.value = encryptedPrefs.getBoolean(KEY_BIOMETRIC_ENABLED, false)
     }
 
     /**