launcher v2: meta improvements

- Allow disabling each plugin from "all" mode
- add IPCs for toggling specific modes
- niri: overview respect size & default to apps mode
- fix unicode icon handling

quickshell/Modals/DankLauncherV2/TileItem.qml

@@ -76,12 +76,20 @@ Rectangle {
 
             DankIcon {
                 anchors.centerIn: parent
-                visible: !root.useImage && !root.useIconProvider
+                visible: !root.useImage && !root.useIconProvider && root.item?.iconType !== "unicode"
                 name: root.item?.icon ?? "image"
                 size: Math.min(parent.width, parent.height) * 0.4
                 color: Theme.surfaceVariantText
             }
 
+            StyledText {
+                anchors.centerIn: parent
+                visible: root.item?.iconType === "unicode"
+                text: root.item?.icon ?? ""
+                font.pixelSize: Math.min(parent.width, parent.height) * 0.4
+                color: Theme.surfaceVariantText
+            }
+
             Rectangle {
                 anchors.left: parent.left
                 anchors.right: parent.right