Add WebUI X (#316)

* Add option to use WebUI X

- Added WebUI X from MMRL to KernelSU Next

* Some improvements

* Again some improvements

* Fix NPE

* Still not fixed

Use mappings from the action to decode the stacktrace

* bump mmrl

does still not work

* Works

* WORKS

* small fixes

manager/app/src/main/AndroidManifest.xml

@@ -33,6 +33,13 @@
             android:exported="false"
             android:theme="@style/Theme.KernelSU.WebUI" />
 
+        <activity
+            android:name=".ui.webui.WebUIXActivity"
+            android:autoRemoveFromRecents="true"
+            android:documentLaunchMode="intoExisting"
+            android:exported="false"
+            android:theme="@style/Theme.KernelSU.WebUI" />
+
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.fileprovider"