fix: also enable predictive back navigation if hardwareBack is false

Context: If it is false, it means we want to simply close the WebView and not navigate to the previous URL. This means that we can simply use predictive back navigation instead of handling this case in the `onBackPressedCallback`

References: https://outsystemsrd.atlassian.net/browse/RMET-4335

Author: alexgerardojacinto

src/main/java/com.outsystems.plugins.inappbrowser/osinappbrowserlib/views/OSIABWebViewActivity.kt

@@ -110,14 +110,8 @@ class OSIABWebViewActivity : AppCompatActivity() {
         onBackPressedCallback = object : OnBackPressedCallback(true) {
             override fun handleOnBackPressed() {
                 if (!webView.canGoBack()) return
-                if (options.hardwareBack) {
-                    hideErrorScreen()
-                    webView.goBack()
-                } else {
-                    // if hardwareBack is false, we want to finish the activity (close the WebView)
-                    // and not go back in the WebView history
-                    finish()
-                }
+                hideErrorScreen()
+                webView.goBack()
             }
         }
         onBackPressedDispatcher.addCallback(this, onBackPressedCallback)
@@ -403,9 +397,10 @@ class OSIABWebViewActivity : AppCompatActivity() {
         override fun doUpdateVisitedHistory(view: WebView?, url: String?, isReload: Boolean) {
             // to implement predictive back navigation
             // we only want to have the callback enabled if the WebView can go back to previous page
+            // and if the hardwareBack option is enabled
             // if not, we want the system to handle the back press, which will enable the
-            // predictive back animation
-            onBackPressedCallback.isEnabled = webView.canGoBack()
+            // predictive back animation and simply close the WebView
+            onBackPressedCallback.isEnabled = webView.canGoBack() && options.hardwareBack
         }
 
         /**