squash! Bug 40007: Port external helper app prompting

Bug 40045: Add External App Prompt for Sharing Images

components/support/ktx/src/main/java/mozilla/components/support/ktx/android/content/Context.kt

@@ -163,7 +163,7 @@ fun Context.shareMedia(
     }
 
     return try {
-        startActivity(shareIntent)
+        TorUtils.startActivityPrompt(this, shareIntent)
         true
     } catch (error: ActivityNotFoundException) {
         Log.log(Log.Priority.WARN, message = "No activity to share to found", throwable = error, tag = "shareMedia")