[BUGFIX] Header should not disappear when page is dropped to trash

Resolves: #80484
Releases: master
Change-Id: Ie17a8cc5cb118c9ecd381355b96d9e60cd278712
Reviewed-on: https://review.typo3.org/52183


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>

Build/Resources/Public/Sass/scaffold/_scaffold.scss

@@ -63,7 +63,7 @@ body {
     background-color: $scaffold-topbar-bg;
     color: $scaffold-topbar-color;
     height: $scaffold-topbar-height;
-    position: absolute;
+    position: fixed;
     top: 0;
     right: 0;
     left: 0;