Fix dock first launch (#2707)

dots-extra/fedora/hypr/hyprland/execs.conf

@@ -23,7 +23,7 @@ exec-once = wl-paste --type image --watch bash -c 'cliphist store && qs -c $qsCo
 exec-once = hyprctl setcursor Bibata-Modern-Classic 24
 
 # Fix dock pinned apps not launching properly (https://github.com/end-4/dots-hyprland/issues/2200)
-exec-once = sleep 3.5 && hyprctl reload && sleep 0.5 && touch ~/.config/quickshell/ii/shell.qml
+# exec-once = sleep 3.5 && hyprctl reload && sleep 0.5 && touch ~/.config/quickshell/ii/shell.qml
 
 # For fedora to setup polkit
 exec-once = /usr/libexec/kf6/polkit-kde-authentication-agent-1

dots/.config/quickshell/ii/modules/ii/dock/DockAppButton.qml

@@ -19,22 +19,17 @@ DockButton {
 
     readonly property bool isSeparator: appToplevel.appId === "SEPARATOR"
     property var desktopEntry: DesktopEntries.heuristicLookup(appToplevel.appId)
-
-    Timer {
-        // Retry looking up the desktop entry if it failed (e.g. database not loaded yet)
-        property int retryCount: 5
-        interval: 1000
-        running: !root.isSeparator && root.desktopEntry === null && retryCount > 0
-        repeat: true
-        onTriggered: {
-            retryCount--;
-            root.desktopEntry = DesktopEntries.heuristicLookup(root.appToplevel.appId);
-        }
-    }
-
     enabled: !isSeparator
     implicitWidth: isSeparator ? 1 : implicitHeight - topInset - bottomInset
 
+    Connections {
+        target: DesktopEntries
+
+        function onApplicationsChanged() {
+            root.desktopEntry = DesktopEntries.heuristicLookup(appToplevel.appId);
+        }
+    }
+
     Loader {
         active: isSeparator
         anchors {