Fix file dialog usage in app and plasmoid

fileDialog.open() does *not* block, so we need to move the sending to onAccepted. Not sure why I thought this ever worked.

BUG: 423975

app/qml/DevicePage.qml

@@ -105,13 +105,9 @@ Kirigami.ScrollablePage
                 device: root.currentDevice
             },
             PluginItem {
-                readonly property var shareIface: ShareDbusInterfaceFactory.create(root.currentDevice.id())
                 pluginName: "share"
                 name: i18nd("kdeconnect-app", "Share File")
-                onClick: () => {
-                    fileDialog.open()
-                    shareIface.shareUrl(fileDialog.fileUrl)
-                }
+                onClick: () => fileDialog.open()
                 device: root.currentDevice
             },
             PluginItem {
@@ -169,7 +165,9 @@ Kirigami.ScrollablePage
 
     FileDialog {
         id: fileDialog
+        readonly property var shareIface: ShareDbusInterfaceFactory.create(root.currentDevice.id())
         title: i18nd("kdeconnect-app", "Please choose a file")
         folder: shortcuts.home
+        onAccepted: shareIface.shareUrl(fileDialog.fileUrl)
     }
 }

plasmoid/package/contents/ui/DeviceDelegate.qml

@@ -105,18 +105,14 @@ PlasmaComponents.ListItem
                             title: i18n("Please choose a file")
                             folder: shortcuts.home
                             selectMultiple: true
+                            onAccepted: fileDialog.fileUrls.forEach(url => share.plugin.shareUrl(url))
                         }
 
                         id: shareFile
                         icon: "document-share"
                         visible: share.available
                         text: i18n("Share file")
-                        onClicked: {
-                            fileDialog.open()
-                            fileDialog.fileUrls.forEach(function (url) {
-                                share.plugin.shareUrl(url)
-                            })
-                        }
+                        onClicked: fileDialog.open()
                     }
 
                     //Find my phone