[IMP] theme_artists, *: adapt s_tabs_images

*: theme_bistro, theme_buzzy, theme_nano, theme_notes, theme_treehouse,
theme_zap

This commit adapts customizations for `s_tabs_images`.

task-4094407
Part of task-4077427

closes odoo/design-themes#1001

Related: odoo/odoo#185642
Related: odoo/upgrade#6691
Signed-off-by: Serge Bayet (seba) <seba@odoo.com>

theme_nano/__manifest__.py

@@ -39,6 +39,7 @@
         'views/snippets/s_numbers_showcase.xml',
         'views/snippets/s_key_benefits.xml',
         'views/snippets/s_striped_center_top.xml',
+        'views/snippets/s_tabs_images.xml',
         'views/snippets/s_big_number.xml',
         'views/snippets/s_image_frame.xml',
         'views/snippets/s_shape_image.xml',