[dconf-editor] Disable some keyboard shortcuts during search.

[Arnaud Bonatti <arnaudb src gnome org>]

commit 185361ee2b37d1a0d92af2dd152c114bf8a4a514
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri Feb 16 14:10:17 2018 +0100

    Disable some keyboard shortcuts during search.

 editor/dconf-window.vala |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/editor/dconf-window.vala b/editor/dconf-window.vala
index 060ad66..a7ba330 100644
--- a/editor/dconf-window.vala
+++ b/editor/dconf-window.vala
@@ -917,6 +917,9 @@ class DConfWindow : ApplicationWindow
 
     private void go_backward (bool shift)
     {
+        if (search_bar.search_mode_enabled)
+            return;
+
         browser_view.discard_row_popover ();
         if (current_path == "/")
             return;
@@ -927,6 +930,9 @@ class DConfWindow : ApplicationWindow
     }
     private void go_forward (bool shift)
     {
+        if (search_bar.search_mode_enabled)
+            return;
+
         string complete_path = pathbar.complete_path;
 
         browser_view.discard_row_popover ();