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

Modules/Sidebar/Chat/SidebarView.qml

@@ -21,12 +21,8 @@ Item {
 	property bool chatOpen: ChatState.chatSession !== null
 
 	readonly property bool isWide: root.width >= root.breakpoint
-
-	readonly property bool showList: isWide || !chatOpen
-	readonly property bool showContent: !isWide && chatOpen
-
-	function openConversation(conv: ChatSession, index: int): void {
-	}
+	readonly property bool wideExpandedSidebar: isWide && !ChatState.shrinkSidebarOverride
+	readonly property bool narrowExpandedSidebar: !isWide && ChatState.narrowSidebarExpanded
 
 	BlobGroup {
 		id: blobGroup
@@ -54,9 +50,9 @@ Item {
 		anchors.left: parent.left
 		anchors.bottom: parent.bottom
 		anchors.margins: Tokens.padding.medium
-		implicitWidth: root.isWide || ChatState.narrowSidebarExpanded ? Config.sidebar.sizes.width : root.iconSize
+		implicitWidth: root.wideExpandedSidebar || root.narrowExpandedSidebar ? Config.sidebar.sizes.width : root.iconSize
 		highlight: true
-		slim: !root.isWide && !ChatState.narrowSidebarExpanded
+		slim: !root.wideExpandedSidebar && !root.narrowExpandedSidebar
 		z: 1
 
 		Behavior on implicitWidth {
@@ -86,13 +82,13 @@ Item {
 		}
 	}
 
-	ClipRect {
+	Item {
 		anchors.fill: parent
 		anchors.leftMargin: invertedRect.borderLeft
 		anchors.topMargin: invertedRect.borderTop
 		anchors.bottomMargin: invertedRect.borderBottom
 		anchors.rightMargin: invertedRect.borderRight
-		radius: invertedRect.radius
+		clip: true
 
 		children: [contentArea, dim]
 	}
@@ -100,9 +96,10 @@ Item {
 	CustomRect {
 		id: dim
 		anchors.fill: parent
+		radius: invertedRect.radius
 
 		color: Colors.palette.m3shadow
-		opacity: ChatState.narrowSidebarExpanded && !root.isWide ? 0.3 : 0
+		opacity: root.narrowExpandedSidebar ? 0.3 : 0
 		z: 1
 
 		Behavior on opacity {
@@ -155,7 +152,7 @@ Item {
 			id: dimArea
 			anchors.fill: parent
 			preventStealing: true
-			enabled: !root.isWide && ChatState.narrowSidebarExpanded
+			enabled: root.narrowExpandedSidebar
 			cursorShape: undefined
 
 			onClicked: {
@@ -175,12 +172,6 @@ Item {
 		}
 	}
 
-	Binding {
-		target: ChatState
-		property: "windowIsWide"
-		value: root.showList
-	}
-
 	Binding {
 		target: ChatState
 		property: "isWide"