Change Hardware Model typo (#920) (#921)

(cherry picked from commit eaf1602)

Co-authored-by: Matyáš Strelec <mstrelec@redhat.com>

airgun/views/hardware_model.py

@@ -16,7 +16,7 @@ class DeleteHardwareModelDialog(ConfirmationDialog):
 
 class HardwareModelsView(BaseLoggedInView, SearchableViewMixin):
     delete_dialog = DeleteHardwareModelDialog()
-    title = Text("//h1[normalize-space(.)='Hardware Models']")
+    title = Text("//h1[normalize-space(.)='Hardware models']")
     new = Text("//a[contains(@href, '/models/new')]")
     table = SatTable(
         './/table',