feat: initial video wallpaper implementation

Modules/Launcher/Items/WallpaperTile.qml

@@ -1,3 +1,5 @@
+pragma ComponentBehavior: Bound
+
 import Quickshell
 import QtQuick
 import ZShell.Config
@@ -9,7 +11,7 @@ Item {
 	id: root
 
 	required property bool isCurrent
-	required property var modelData // FileSystemEntry-like {path, relativePath}
+	required property var modelData
 	required property real tileHeight
 	required property real tileWidth
 	required property ScreenState screenState
@@ -29,25 +31,75 @@ Item {
 		radius: Tokens.rounding.small
 		y: Tokens.padding.large
 
-		MaterialIcon {
+		Loader {
+			active: opacity > 0
 			anchors.centerIn: parent
-			color: Colors.tPalette.m3outline
-			fontStyle: Tokens.font.icon.builders.extraLarge.scale(2).weight(Font.DemiBold).build()
-			text: "image"
+			opacity: img.status === Image.Ready ? 0 : 1
+
+			Behavior on opacity {
+				Anim {}
+			}
+			sourceComponent: CustomRect {
+				color: Colors.palette.m3primaryContainer
+				implicitHeight: loadingIndicator.implicitSize + Tokens.padding.large * 2
+				implicitWidth: loadingIndicator.implicitSize + Tokens.padding.large * 2
+				radius: Tokens.rounding.full
+
+				LoadingIndicator {
+					id: loadingIndicator
+
+					anchors.centerIn: parent
+					containsIcon: true
+					implicitSize: Math.min(image.width, image.height) * 0.3
+				}
+			}
 		}
 
 		CachingImage {
+			id: img
 			anchors.bottom: parent.bottom
 			anchors.horizontalCenter: parent.horizontalCenter
 			anchors.top: parent.top
 			cache: true
 			fillMode: Image.PreserveAspectCrop
 			height: root.tileHeight
-			path: root.modelData ? root.modelData.path : ""
+			path: root.modelData ? root.modelData.thumbnailPath : ""
 			smooth: root.isCurrent
 			sourceSize.height: root.tileHeight
 			sourceSize.width: root.tileHeight * (16 / 9)
 			width: root.tileHeight * (16 / 9)
+
+			opacity: status === Image.Ready ? 1 : 0
+			Behavior on opacity {
+				Anim {
+					type: Anim.SlowEffects
+				}
+			}
+
+			Loader {
+				opacity: root.modelData.isVideo && img.status === Image.Ready ? 1 : 0
+				active: opacity > 0
+				anchors.centerIn: parent
+				Behavior on opacity {
+					Anim {
+						type: Anim.SlowEffects
+					}
+				}
+
+				sourceComponent: CustomRect {
+					implicitWidth: videoIcon.implicitWidth + Tokens.padding.extraLarge * 2
+					implicitHeight: implicitWidth
+					radius: Tokens.rounding.full
+					color: Colors.tPalette.m3surface
+
+					MaterialIcon {
+						id: videoIcon
+						anchors.centerIn: parent
+						text: "video_library"
+						fontStyle: Tokens.font.icon.extraLarge
+					}
+				}
+			}
 		}
 
 		StateLayer {