[dconf-editor] Disallow (un)bookmarking in search mode.

[Arnaud Bonatti <arnaudb src gnome org>]

commit 9aa64584a94646c0de02a0895ad9e77b6dd7134b
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Dec 11 13:47:50 2017 +0100

    Disallow (un)bookmarking in search mode.

 editor/dconf-window.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/editor/dconf-window.vala b/editor/dconf-window.vala
index 27c4a7e..3f231d2 100644
--- a/editor/dconf-window.vala
+++ b/editor/dconf-window.vala
@@ -482,12 +482,16 @@ class DConfWindow : ApplicationWindow
                         bookmarks_button.clicked ();
                     return true;
                 case "d":
+                    if (bookmarks_button.sensitive == false)
+                        return true;
                     if (info_button.active)
                         info_button.active = false;
                     browser_view.discard_row_popover ();
                     bookmarks_button.set_bookmarked (true);
                     return true;
                 case "D":
+                    if (bookmarks_button.sensitive == false)
+                        return true;
                     if (info_button.active)
                         info_button.active = false;
                     browser_view.discard_row_popover ();