ux: change Height of repository search bar

Author: love-linger

src/Views/Repository.axaml

@@ -152,7 +152,7 @@
 
         <!-- Filter Branches/Tags/Submodules -->
         <TextBox Grid.Row="1"
-                 Height="24"
+                 Height="26"
                  Margin="8,6,4,0"
                  BorderThickness="1"
                  CornerRadius="4"