disable redirect to feature details when editing in feature details, fix...

disable redirect to feature details when editing in feature details, fix anchor at scroll under header & remove dead code--ammend

src/assets/styles/base.css

@@ -25,8 +25,17 @@ body {
 #app-content {
   overflow: auto;
   flex: 1 0 auto; /* used to fix height on sticky header and footer */
+  height: 61px; /* value by default of the header, defined here to be sync with anchor below */
+  position: relative; /* for anchor below */
 }
 
+#scroll-top-anchor {
+  position: absolute;
+  top: -61px;
+  visibility: hidden;
+}
+
+
 .page-content {
   max-width: 1200px;
   padding: 0 2em;