[gnome-builder] libide/terminal: fix scrollbar policy

[Christian Hergert <chergert src gnome org>]

commit 6dea36254f2d7bf17e2ceee610e23daf14395769
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jul 13 18:48:41 2022 -0700

    libide/terminal: fix scrollbar policy

 src/libide/terminal/ide-terminal-page.ui | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/libide/terminal/ide-terminal-page.ui b/src/libide/terminal/ide-terminal-page.ui
index 81b06cdef..6e93319ee 100644
--- a/src/libide/terminal/ide-terminal-page.ui
+++ b/src/libide/terminal/ide-terminal-page.ui
@@ -12,6 +12,8 @@
           <object class="GtkOverlay" id="terminal_overlay">
             <child>
               <object class="GtkScrolledWindow">
+                <property name="hscrollbar-policy">never</property>
+                <property name="vscrollbar-policy">external</property>
                 <child>
                   <object class="IdeTerminal" id="terminal">
                     <property name="audible-bell">false</property>