AppChooser portal: move delegate code inline

It's only used once so we don't need to put it in a separate component
that's named but never explicitly referred to.

src/AppChooserDialog.qml

@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: LGPL-2.0-or-later
  *
  * SPDX-FileCopyrightText: 2019 Jan Grulich <jgrulich@redhat.com>
+ * SPDX-FileCopyrightText: 2022 Nate Graham <nate@kde.org>
  */
 
 
@@ -60,7 +61,53 @@ PWD.SystemDialog
                 cellHeight: Kirigami.Units.iconSizes.huge + (Kirigami.Units.gridUnit * 4)
                 cellWidth: Kirigami.Units.iconSizes.huge + (Kirigami.Units.gridUnit * 4)
                 model: AppModel
-                delegate: appDelegate
+                delegate: Item {
+                    height: grid.cellHeight
+                    width: grid.cellWidth
+
+                    HoverHandler {
+                        acceptedButtons: Qt.NoButton
+                        cursorShape: hovered ? Qt.PointingHandCursor : Qt.ArrowCursor
+                    }
+                    TapHandler {
+                        onTapped: AppChooserData.applicationSelected(model.applicationDesktopFile)
+                    }
+
+                    Rectangle {
+                        anchors.fill: parent
+                        color: Kirigami.Theme.highlightColor
+                        visible: model.applicationDesktopFile === AppChooserData.defaultApp
+                        radius: 2
+                    }
+
+                    ColumnLayout {
+                        anchors {
+                            top: parent.top
+                            left: parent.left
+                            right: parent.right
+                            margins: Kirigami.Units.largeSpacing
+                        }
+                        spacing: Kirigami.Units.largeSpacing
+
+                        Kirigami.Icon {
+                            anchors.horizontalCenter: parent.horizontalCenter
+                            Layout.preferredWidth: Kirigami.Units.iconSizes.huge
+                            Layout.preferredHeight: Kirigami.Units.iconSizes.huge
+                            source: model.applicationIcon
+                            smooth: true
+                        }
+
+                        Label {
+                            Layout.fillWidth: true
+                            Layout.alignment: Qt.AlignTop
+                            horizontalAlignment: Text.AlignHCenter
+                            elide: Text.ElideRight
+                            maximumLineCount: 2
+                            text: model.applicationName
+                            wrapMode: Text.WordWrap
+                        }
+                    }
+                }
             }
         }
 
@@ -84,57 +131,5 @@ PWD.SystemDialog
             onTextChanged: AppModel.filter = text
         }
     }
-
-    readonly property var p0: Component {
-        id: appDelegate
-
-        Item {
-            height: grid.cellHeight
-            width: grid.cellWidth
-
-            HoverHandler {
-                acceptedButtons: Qt.NoButton
-                cursorShape: hovered ? Qt.PointingHandCursor : Qt.ArrowCursor
-            }
-            TapHandler {
-                onTapped: AppChooserData.applicationSelected(model.applicationDesktopFile)
-            }
-
-            Rectangle {
-                anchors.fill: parent
-                color: Kirigami.Theme.highlightColor
-                visible: model.applicationDesktopFile === AppChooserData.defaultApp
-                radius: 2
-            }
-
-            ColumnLayout {
-                anchors {
-                    top: parent.top
-                    left: parent.left
-                    right: parent.right
-                    margins: Kirigami.Units.largeSpacing
-                }
-                spacing: Kirigami.Units.largeSpacing
-
-                Kirigami.Icon {
-                    anchors.horizontalCenter: parent.horizontalCenter
-                    Layout.preferredWidth: Kirigami.Units.iconSizes.huge
-                    Layout.preferredHeight: Kirigami.Units.iconSizes.huge
-                    source: model.applicationIcon
-                    smooth: true
-                }
-
-                Label {
-                    Layout.fillWidth: true
-                    Layout.alignment: Qt.AlignTop
-                    horizontalAlignment: Text.AlignHCenter
-                    elide: Text.ElideRight
-                    maximumLineCount: 2
-                    text: model.applicationName
-                    wrapMode: Text.WordWrap
-                }
-            }
-        }
-    }
 }