docs: resolve extra padding on tutorial editor (angular#54828)

As of this commit, there is a visual discrepancy between the height of the content on the left compared to the separator and editors on the right. It appears that the cause of this is an additional computation of layout padding which is unnecessary for these particular elements. PR Close angular#54828

Author: bencodezen

adev/src/app/features/tutorial/tutorial.component.scss

@@ -105,7 +105,7 @@ $column-width: calc(50% - #{$resizer-width} - var(--layout-padding));
  margin-block-start: var(--layout-padding);
  cursor: col-resize;
  align-self: stretch;
- height: var(--fixed-content-height);
+ height: 100vh;
 
  &::before {
  content: '';
@@ -133,7 +133,7 @@ $column-width: calc(50% - #{$resizer-width} - var(--layout-padding));
  width: 100%;
  min-width: 300px;
  padding-block-start: var(--layout-padding);
- height: var(--fixed-content-height);
+ height: 100vh;
 }
 
 .adev-split-tutorial {