[FIX] web: fix tabs padding and min height

No padding is applied to tab content panels in Community.
Also the minimum height selector does not correctly target tabs.

Related Enterprise PR: https://github.com/odoo/enterprise/pull/3568/

closes odoo/odoo#30771

addons/web/static/src/scss/form_view.scss

@@ -378,8 +378,8 @@
         clear: both; // For the notebook not to have alongside floating elements
         margin-top: $o-form-spacing-unit * 2;
 
-        .nav-tabs > .tab-pane {
-            min-height: 100px;
+        .tab-content > .tab-pane {
+            padding: $o-horizontal-padding 0;
         }
     }