fix: Disable interception blob: URLs leading to an Android crash

While the reason for why the `blob:` requests trigger is unknown, they
originate when utilizing the block inserter's Patterns tab. The requests
seemingly originate from the embedded editor previews rendered for each
pattern.

Author: dcalhoun

android/Gutenberg/src/main/java/org/wordpress/gutenberg/GutenbergView.kt

@@ -115,6 +115,11 @@ class GutenbergView : WebView {
 
             override fun shouldOverrideUrlLoading(view: WebView?, url: String?): Boolean {
                 url?.let {
+                    // Allow the WebView to handle `blob:` requests, which are utilized in the block
+                    // inserter's Patterns tab
+                    if (it.startsWith("blob:")) {
+                        return false
+                    }
                     val intent = Intent(Intent.ACTION_VIEW, Uri.parse(it))
                     intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                     view?.context?.startActivity(intent)