Prevent collapsable button of a resizable from adding to the height w…

…hen hidden (#1241) (#1243)

Supersedes #1223

Signed-off-by: Miki <miki@amazon.com>
(cherry picked from commit cf5915d)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

# Conflicts:
#	CHANGELOG.md

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/components/resizable_container/_resizable_collapse_button.scss

@@ -40,7 +40,9 @@
 
   &:not(:focus):not(:active):not(.ouiResizableToggleButton-isVisible):not(.ouiResizableToggleButton-isCollapsed) {
     @include ouiScreenReaderOnly;
-    margin: -2px; // To accomodate ouiButtonIcon's border
+    border-width: 0;
+    height: 0;
+    width: 0;
   }
 }