Use 3 dot typing indicator, clean up code a bit.

Move TypingIndicator.qml out of ChatBox folder.
It wasn't part of the ChatBox.

fixes #367 by eliding instead of wrapping text

imports/NeoChat/Component/ChatBox/TypingPane.qml

@@ -1,66 +0,0 @@
-/* SPDX-FileCopyrightText: 2020 Carl Schwan <carl@carlschwan.de>
- * SPDX-FileCopyrightText: 2020 Noah Davis <noahadvs@gmail.com>
- * SPDX-FileCopyrightText: 2021 Srevin Saju <srevinsaju@sugarlabs.org>
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-import QtQuick 2.15
-import QtQuick.Layouts 1.15
-import QtQuick.Controls 2.15
-import org.kde.kirigami 2.14 as Kirigami
-import org.kde.neochat 1.0
-
-Loader {
-    id: root
-    property var typingNotification: null
-
-    active: visible
-    sourceComponent: Pane {
-        id: typingPane
-
-        padding: fontMetrics.lineSpacing * 0.25
-        spacing: 0
-        Kirigami.Theme.colorSet: Kirigami.Theme.View
-
-        contentItem: RowLayout {
-            Layout.fillWidth: true
-            Layout.alignment: Qt.AlignLeft
-            spacing: 0
-
-            FontMetrics {
-                id: fontMetrics
-                font: typingLabel.font
-            }
-            Label {
-                id: typingLabel
-                textFormat: TextEdit.RichText
-                wrapMode: Label.Wrap
-                text: typingNotification
-            }
-            BusyIndicator {
-                running: root.active
-                Layout.alignment: Qt.AlignRight
-                Layout.preferredWidth: Kirigami.Units.iconSizes.smallMedium
-                Layout.preferredHeight: Kirigami.Units.iconSizes.smallMedium
-            }
-        }
-
-        background: Item {
-            Rectangle {
-                height: 1
-                property color borderColor: Kirigami.Theme.textColor
-                color: Qt.rgba(borderColor.r, borderColor.g, borderColor.b, 0.1)
-                anchors {
-                    left: typingIndicatorBackground.left
-                    right: typingIndicatorBackground.right
-                    bottom: typingIndicatorBackground.top
-                }
-            }
-            Rectangle {
-                anchors.fill: parent
-                id: typingIndicatorBackground
-                color: Kirigami.Theme.backgroundColor
-            }
-        }
-    }
-}

imports/NeoChat/Component/ChatBox/qmldir

@@ -5,4 +5,3 @@ ReplyPane 1.0 ReplyPane.qml
 AttachmentPane 1.0 AttachmentPane.qml
 CompletionMenu 1.0 CompletionMenu.qml
 EmojiPickerPane 1.0 EmojiPickerPane.qml
-TypingPane 1.0 TypingPane.qml