Bugfix: scrollTop/scrollLeft never worked because .b-content has overflow:auto not the sub-div .content

dev/Styles/Contacts.less

@@ -86,6 +86,7 @@
 			width: @contacts-popup-left-width;
 			overflow: hidden;
 			overflow-y: auto;
+			scroll-behavior: smooth;
 
 			.content {
 				-webkit-overflow-scrolling: touch;
@@ -431,4 +432,4 @@ html.rl-mobile {
 			left: 170px;
 		}
 	}
-}
+}

dev/Styles/MessageList.less

@@ -125,6 +125,7 @@ html.rl-no-preview-pane {
 		overflow-x: hidden;
 		overflow-y: auto;
 		z-index: 101;
+		scroll-behavior: smooth;
 
 		box-sizing: border-box;
 

dev/Styles/MessageView.less

@@ -258,6 +258,7 @@ html.rl-no-preview-pane {
 			overflow: auto;
 			-webkit-overflow-scrolling: touch;
 			border-radius: @rlLowBorderRadius;
+			scroll-behavior: smooth;
 
 			.buttonUp, .buttonUnFull, .buttonFull {
 				display: inline-block;

dev/Styles/Settings.less

@@ -92,6 +92,7 @@
 		right: @rlLowMargin;
 		overflow-y: auto;
 		z-index: 2;
+		scroll-behavior: smooth;
 
 		background-color: #fff;
 		border: @rlMainBorderSize solid @rlMainDarkColor;