[gnome-software] Stop searching multiple times on search page.

[Kalev Lember <klember src gnome org>]

commit e52c28d859956c31356836e0089215a42441ca89
Author: Robert Ancell <robert ancell canonical com>
Date:   Fri Mar 16 12:08:17 2018 +1300

    Stop searching multiple times on search page.
    
    Previously we were searching twice when returning to the search page.
    
    Change to only search when the search text changes.

 src/gs-search-page.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/src/gs-search-page.c b/src/gs-search-page.c
index 0ea26bc8..238fc053 100644
--- a/src/gs-search-page.c
+++ b/src/gs-search-page.c
@@ -338,8 +338,13 @@ gs_search_page_set_text (GsSearchPage *self, const gchar *value)
 {
        if (value == self->value)
                return;
+       if (g_strcmp0 (value, self->value) == 0)
+               return;
+
        g_free (self->value);
        self->value = g_strdup (value);
+
+       gs_search_page_load (self);
 }
 
 static void
@@ -369,8 +374,6 @@ gs_search_page_switch_to (GsPage *page, gboolean scroll_up)
                adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (self->scrolledwindow_search));
                gtk_adjustment_set_value (adj, gtk_adjustment_get_lower (adj));
        }
-
-       gs_search_page_load (self);
 }
 
 static void