ISTWCMS-5898: fix spacing not showing when there was no section separator,...

ISTWCMS-5898: fix spacing not showing when there was no section separator, along with layout builder issues

src/patterns/03-layouts/layout/_layout.scss

@@ -10,33 +10,25 @@
   &--75 {
     --section-margin: calc(var(--base-section-margin) * 0.75);
     &.layout {
+      margin-bottom: var(--section-margin);
+      padding-bottom: var(--section-margin);
       &.card__media {
         margin-bottom: 0 !important;
       }
-      &.uw-section-separator--bottom:not(.is-layout-builder-highlighted) {
-        margin-bottom: var(--section-margin);
-        padding-bottom: var(--section-margin);
-      }
     }
   }
   &--50 {
     --section-margin: calc(var(--base-section-margin) * 0.5);
     &.layout {
       margin-bottom: var(--section-margin);
-      &.uw-section-separator--bottom:not(.is-layout-builder-highlighted) {
-        margin-bottom: var(--section-margin);
-        padding-bottom: var(--section-margin);
-      }
+      padding-bottom: var(--section-margin);
     }
   }
   &--25 {
     --section-margin: calc(var(--base-section-margin) * 0.25);
     &.layout {
       margin-bottom: var(--section-margin);
-      &.uw-section-separator--bottom:not(.is-layout-builder-highlighted) {
-        margin-bottom: var(--section-margin);
-        padding-bottom: var(--section-margin);
-      }
+      padding-bottom: var(--section-margin);
     }
   }
   &--none {
@@ -48,11 +40,9 @@
   }
   &--default {
     --section-margin: var(--base-section-margin);
-    &.layout{
-      &.uw-section-separator--bottom:not(.is-layout-builder-highlighted) {
-        margin-bottom: var(--section-margin);
-        padding-bottom: var(--section-margin);
-      }
+    &.layout {
+      margin-bottom: var(--section-margin);
+      padding-bottom: var(--section-margin);
     }
   }
   &.layout  {
@@ -87,13 +77,13 @@
     }
   }
 }
-
 .layout {
   --layout-border-width: var(--size-xs);
   @include uw-contained-width(var(--layout-max-width-narrow));
   @media(min-width: $screen-xl) {
     @include uw-contained-width(var(--layout-max-width));
   }
+  padding-top: var(--size-2);
   // Set default spacing to match old block spacing if no classes
   &:not(.uw-section-spacing--default, .uw-section-spacing--none, .uw-section-spacing--75, .uw-section-spacing--50, .uw-section-spacing--25) {
     margin-bottom: var(--section-margin);
@@ -154,6 +144,7 @@
     .layout-builder__region {
       padding: var(--size-1) 0 0;
     }
+
     &.layout--uw-1-col{
       .block-inline-blockuw-cbl-banner-images,
       .block-inline-blockuw-cbl-image,