Revert "wallpaper selector: add thumbnail loading indicator"

This reverts commit fa47c6778c.

dots/.config/quickshell/ii/modules/ii/wallpaperSelector/WallpaperDirectoryItem.qml

@@ -11,7 +11,6 @@ MouseArea {
     required property var fileModelData
     property bool isDirectory: fileModelData.fileIsDir
     property bool useThumbnail: Images.isValidImageByName(fileModelData.fileName)
-    property bool showLoadingIndicator: false
 
     property alias colBackground: background.color
     property alias colText: wallpaperItemName.color
@@ -70,8 +69,6 @@ MouseArea {
                         sourceSize.width: wallpaperItemColumnLayout.width
                         sourceSize.height: wallpaperItemColumnLayout.height - wallpaperItemColumnLayout.spacing - wallpaperItemName.height
 
-                        onVisibleChanged: root.showLoadingIndicator = !thumbnailImage.visible
-
                         Connections {
                             target: Wallpapers
                             function onThumbnailGenerated(directory) {
@@ -109,15 +106,6 @@ MouseArea {
                         sourceSize.height: wallpaperItemColumnLayout.height - wallpaperItemColumnLayout.spacing - wallpaperItemName.height
                     }
                 }
-
-                FadeLoader {
-                    id: loadingIndicatorLoader
-                    shown: root.showLoadingIndicator
-                    anchors.centerIn: parent
-                    sourceComponent: MaterialLoadingIndicator {
-                        loading: true
-                    }
-                }
             }
 
             StyledText {