feat: implement file and text drop handling for chat and add shrunk sidebar override for window view

Modules/Sidebar/Chat/ChatList.qml

@@ -140,7 +140,7 @@ Item {
 		label.transform: Rotation {
 			origin.y: fabRoot.label.height / 2
 			origin.x: fabRoot.label.width / 2
-			angle: ChatState.fabExpanded && (ChatState.narrowSidebarExpanded && !ChatState.isWide || !ChatState.isWindow) ? 135 : 0
+			angle: ChatState.fabExpanded && (ChatState.narrowSidebarExpanded || !ChatState.isWide || !ChatState.isWindow) ? 135 : 0
 
 			Behavior on angle {
 				Anim {}
@@ -148,8 +148,9 @@ Item {
 		}
 
 		onClicked: {
-			if (root.slim && !ChatState.narrowSidebarExpanded) {
+			if ((root.slim && !ChatState.narrowSidebarExpanded) || ChatState.shrinkSidebarOverride) {
 				root.requestExpand();
+				ChatState.shrinkSidebarOverride = false;
 				return;
 			}
 
@@ -183,6 +184,10 @@ Item {
 					name: "pop out in window"
 					icon: "open_in_new"
 				}
+				ListElement {
+					name: "shrink sidebar"
+					icon: "left_panel_close"
+				}
 			}
 
 			CustomRect {
@@ -196,7 +201,18 @@ Item {
 
 				radius: sLayer.pressed ? Tokens.rounding.small : implicitHeight / 2
 				color: Colors.palette.m3primaryContainer
-				visible: !(modelData.name === "pop out in window" && ChatState.isWindow)
+				visible: {
+					const n = modelData.name;
+					const w = ChatState.isWindow;
+					const wide = ChatState.isWide;
+
+					if (n === "pop out in window" && w)
+						return false;
+					if (n === "shrink sidebar" && (!w || !wide))
+						return false;
+					else
+						return true;
+				}
 				clip: true
 
 				Behavior on radius {
@@ -297,6 +313,8 @@ Item {
 							root.newChatRequest();
 						else if (name === "pop out in window")
 							Detach.create();
+						else if (name === "shrink sidebar")
+							ChatState.shrinkSidebarOverride = true;
 
 						ChatState.fabExpanded = false;
 					}