Refactor room list in multiple sub components

Also modernize the codebase where possible (e.g use required properties,
reorder properties, fix warnings, don't use Action when not needed)

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

src/qml/Page/RoomList/SpaceDelegate.qml

@@ -0,0 +1,47 @@
+// SPDX-FileCopyrightText: 2022 Snehit Sah <snehitsah@protonmail.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15 as QQC2
+import QtQuick.Layouts 1.15
+
+import org.kde.kirigami 2.20 as Kirigami
+import org.kde.neochat 1.0
+
+QQC2.ItemDelegate {
+    id: root
+
+    required property string avatar
+    required property var currentRoom
+    required property int index
+    required property string id
+
+    signal createContextMenu(currentRoom: var)
+    signal spaceSelected(spaceId: string)
+
+    height: ListView.view.height
+    width: height
+
+    leftPadding: topPadding
+    rightPadding: topPadding
+
+    contentItem: Kirigami.Avatar {
+        name: currentRoom.displayName
+        source: avatar !== "" ? "image://mxc/" + avatar : ""
+    }
+
+    onClicked: root.spaceSelected(id)
+    onPressAndHold: root.createContextMenu(root.currentRoom)
+
+    Accessible.name: currentRoom.displayName
+
+    QQC2.ToolTip.text: currentRoom.displayName
+    QQC2.ToolTip.visible: hovered
+    QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
+
+    TapHandler {
+        acceptedButtons: Qt.RightButton
+        acceptedDevices: PointerDevice.Mouse
+        onTapped: root.createContextMenu(root.currentRoom)
+    }
+}