use blobgroup for window chat interface + slim sidebar

Modules/Notifications/Sidebar/Chat/ChatList.qml

@@ -14,6 +14,7 @@ Item {
 	property alias list: list
 	property alias model: list.model
 	property bool highlight: false
+	property bool slim: false
 
 	signal deleteChatRequest(content: ChatSession)
 	signal loadChatRequest(content: ChatSession, index: int)
@@ -79,6 +80,7 @@ Item {
 
 			implicitWidth: ListView.view.width
 			highlighted: root.highlight && ChatState.chatSession === modelData
+			slim: root.slim
 
 			onHighlightedChanged: if (highlighted)
 				list.currentIndex = index
@@ -248,6 +250,14 @@ Item {
 		font.pointSize: Math.round(18 * 1.2)
 		icon: "add"
 		isRound: ChatState.fabExpanded
+		opacity: root.slim ? 0 : 1
+		visible: opacity > 0
+
+		Behavior on opacity {
+			Anim {
+				type: Anim.DefaultEffects
+			}
+		}
 
 		label.transform: Rotation {
 			origin.y: fabRoot.label.height / 2