fix(auth): Issues with focus and hardware keyboard on the login screen.

When using hardware keyboard on the login screen, focus would jump from
the input field to the back button, which resulted in navigating back.

auth/presentation-compose/src/main/kotlin/me/proton/core/auth/presentation/compose/LoginInputPasswordScreen.kt

@@ -278,7 +278,7 @@ private fun PasswordForm(
         ProtonPasswordOutlinedTextFieldWithError(
             text = password,
             onValueChanged = { password = it },
-            enabled = enabled,
+            readOnly = !enabled,
             errorText = if (hasValidationError) "" else null,
             requestFocus = { true },
             onFocusChanged = { if (it) onPasswordInputFocused() },

auth/presentation-compose/src/main/kotlin/me/proton/core/auth/presentation/compose/LoginInputUsernameScreen.kt

@@ -315,7 +315,7 @@ private fun LoginForm(
                 textChange.value = textChange.value.second to new
                 username = new
             },
-            enabled = enabled,
+            readOnly = !enabled,
             errorText = if (hasValidationError) assistiveText else null,
             requestFocus = { initialUsername == null },
             onFocusChanged = { if (it) onUsernameInputFocused() },

presentation-compose/src/main/kotlin/me/proton/core/compose/component/ProtonOutlinedTextField.kt

@@ -135,6 +135,7 @@ fun ProtonOutlinedTextFieldWithError(
     onValueChanged: (String) -> Unit,
     trailingIcon: @Composable (() -> Unit)? = null,
     visualTransformation: VisualTransformation = VisualTransformation.None,
+    readOnly: Boolean = false,
 ) {
     val focusRequester = remember { FocusRequester() }
     var textFieldLoaded by remember { mutableStateOf(false) }
@@ -144,6 +145,7 @@ fun ProtonOutlinedTextFieldWithError(
             onValueChange = onValueChanged,
             colors = TextFieldDefaults.protonOutlineTextFieldColors(),
             enabled = enabled,
+            readOnly = readOnly,
             isError = errorText != null,
             keyboardOptions = keyboardOptions,
             keyboardActions = keyboardActions,

presentation-compose/src/main/kotlin/me/proton/core/compose/component/ProtonPasswordOutlinedTextFieldWithError.kt

@@ -73,6 +73,7 @@ fun ProtonPasswordOutlinedTextFieldWithError(
     placeholder: (@Composable () -> Unit)? = null,
     singleLine: Boolean = false,
     onValueChanged: (String) -> Unit,
+    readOnly: Boolean = false,
 ) {
     var passwordVisualTransformationEnabled by remember(passwordVisible) {
         mutableStateOf(passwordVisible)
@@ -85,6 +86,7 @@ fun ProtonPasswordOutlinedTextFieldWithError(
             onValueChange = onValueChanged,
             colors = TextFieldDefaults.protonOutlineTextFieldColors(),
             enabled = enabled,
+            readOnly = readOnly,
             isError = errorText != null,
             keyboardOptions = keyboardOptions,
             keyboardActions = keyboardActions,