[FIX] web: tempusdominus lib assets order

Allow to customize tempusdominus's default variables moving its assets
at the end of the bundle.

addons/web/__manifest__.py

@@ -301,7 +301,6 @@ This module provides the core of the Odoo Web Client.
             'web/static/lib/fontawesome/css/font-awesome.css',
             'web/static/lib/select2/select2.css',
             'web/static/lib/select2-bootstrap-css/select2-bootstrap.css',
-            'web/static/lib/tempusdominus/tempusdominus.scss',
             'web/static/fonts/fonts.scss',
             'web/static/src/legacy/scss/ui.scss',
             'web/static/src/legacy/scss/ui_extra.scss',
@@ -320,6 +319,7 @@ This module provides the core of the Odoo Web Client.
             'web/static/src/legacy/scss/web.zoomodoo.scss',
             'web/static/src/legacy/scss/color_picker.scss',
             'web/static/src/legacy/scss/fontawesome_overridden.scss',
+            'web/static/lib/tempusdominus/tempusdominus.scss',
         ],
         'web._assets_common_scripts': [
             'web/static/lib/underscore/underscore.js',

addons/web/static/src/legacy/scss/ui.scss

@@ -1,3 +1,9 @@
+// Override Tempusdominus variables
+$bs-datetimepicker-active-bg: $o-brand-odoo;
+$bs-datetimepicker-active-color: $white;
+$bs-datetimepicker-text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
+$bs-datetimepicker-secondary-border-color-rgba: $border-color;
+
 .o_hidden {
     display: none!important;
 }