[fenix] Bug 1806798 - Make download filename scrollable.

Also add a max height for the file name, so the download button is always visible.

app/src/main/java/org/mozilla/fenix/downloads/StartDownloadDialog.kt

@@ -6,6 +6,7 @@ package org.mozilla.fenix.downloads
 
 import android.app.Activity
 import android.app.Dialog
+import android.text.method.ScrollingMovementMethod
 import android.view.Gravity
 import android.view.LayoutInflater
 import android.view.View
@@ -186,6 +187,7 @@ class FirstPartyDownloadDialog(
         }
 
         dialog.filename.text = filename
+        dialog.filename.movementMethod = ScrollingMovementMethod()
 
         dialog.downloadButton.setOnClickListener {
             positiveButtonAction()

app/src/main/res/layout/start_download_dialog_layout.xml

@@ -69,9 +69,11 @@
         android:layout_marginStart="3dp"
         android:layout_marginTop="16dp"
         android:layout_toEndOf="@id/icon"
+        android:maxHeight="160dp"
         android:paddingStart="5dp"
         android:paddingTop="4dp"
         android:paddingEnd="5dp"
+        android:scrollbars="vertical"
         android:textColor="?android:attr/textColorPrimary"
         tools:text="@tools:sample/lorem/random"
         tools:textColor="#000000" />