[Frontend] Put overflow: auto back onto .object-holder

open #232

platform/commonUI/general/res/sass/controls/_controls.scss

@@ -233,13 +233,6 @@ label.checkbox.custom {
 	//@include test();
 	font-size: 1em;
 
-	//> .title-label,
-	//> .type-icon,
-	//> .context-available {
-	//	//@include tmpBorder(#6666ff);
-	//	//vertical-align: middle;
-	//}
-
 	> .type-icon {
 		color: $colorObjHdrIc;
 		font-size: 120%;
@@ -249,7 +242,8 @@ label.checkbox.custom {
 
 	.l-elem-wrapper {
 		//@include test(#66f, 0.2);
-		@include webkitProp(justify-content, flex-start);
+		//@include webkitProp(justify-content, flex-start);
+        @include justify-content(flex-start);
 		mct-representation {
 			// Holds the context-available item
 			// Must have min-width to make flex work properly

platform/commonUI/general/res/sass/user-environ/_layout.scss

@@ -287,11 +287,8 @@
 }
 
 .object-holder {
-    overflow: hidden; // Contained objects need to handle their own overflow now
+    @include absPosDefault(0, auto);
     top: $ueTopBarH + $interiorMarginLg;
-    > ng-include {
-        @include absPosDefault(0, auto);
-    }
     &.l-controls-visible {
         &.l-time-controller-visible {
             bottom: nth($ueTimeControlH,1) + nth($ueTimeControlH,2) +nth($ueTimeControlH,3) + ($interiorMargin * 3);