Fix type name for NeoChatDateTime

QML doesn't want it to start with an uppercase letter

src/app/qml/CodeMaximizeComponent.qml

@@ -20,9 +20,9 @@ Components.AbstractMaximizeComponent {
     property NeochatRoomMember author
 
     /**
-     * @brief The timestamp of the event as a NeoChatDateTime.
+     * @brief The timestamp of the event as a neoChatDateTime.
      */
-    required property NeoChatDateTime dateTime
+    required property neoChatDateTime dateTime
 
     /**
      * @brief The code text to show.

src/libneochat/neochatdatetime.h

@@ -18,7 +18,7 @@
 class NeoChatDateTime
 {
     Q_GADGET
-    QML_ELEMENT
+    QML_NAMED_ELEMENT(neoChatDateTime)
 
     /**
      * @brief The base QDateTime used to generate the other values.

src/messagecontent/AuthorComponent.qml

@@ -27,9 +27,9 @@ RowLayout {
     required property var author
 
     /**
-     * @brief The timestamp of the event as a NeoChatDateTime.
+     * @brief The timestamp of the event as a neoChatDateTime.
      */
-    required property NeoChatDateTime dateTime
+    required property neoChatDateTime dateTime
 
     Layout.fillWidth: true
     Layout.maximumWidth: Message.maxContentWidth

src/messagecontent/CodeComponent.qml

@@ -28,9 +28,9 @@ QQC2.Control {
     required property NeochatRoomMember author
 
     /**
-     * @brief The timestamp of the event as a NeoChatDateTime.
+     * @brief The timestamp of the event as a neoChatDateTime.
      */
-    required property NeoChatDateTime dateTime
+    required property neoChatDateTime dateTime
 
     /**
      * @brief The display text of the message.

src/timeline/MessageDelegate.qml

@@ -50,9 +50,9 @@ MessageDelegateBase {
     required property MessageContentModel contentModel
 
     /**
-     * @brief The timestamp of the event as a NeoChatDateTime.
+     * @brief The timestamp of the event as a neoChatDateTime.
      */
-    required property NeoChatDateTime dateTime
+    required property neoChatDateTime dateTime
 
     /**
      * @brief A model with the first 5 other user read markers for this message.

src/timeline/ReadMarkerDelegate.qml

@@ -14,9 +14,9 @@ TimelineDelegate {
     id: root
 
     /**
-     * @brief The timestamp of the event as a NeoChatDateTime.
+     * @brief The timestamp of the event as a neoChatDateTime.
      */
-    required property NeoChatDateTime dateTime
+    required property neoChatDateTime dateTime
 
     property bool isTemporaryHighlighted: false
     onIsTemporaryHighlightedChanged: if (isTemporaryHighlighted) {

src/timeline/StateDelegate.qml

@@ -49,9 +49,9 @@ TimelineDelegate {
     required property bool showSection
 
     /**
-     * @brief The timestamp of the event as a NeoChatDateTime.
+     * @brief The timestamp of the event as a neoChatDateTime.
      */
-    required property NeoChatDateTime dateTime
+    required property neoChatDateTime dateTime
 
     /**
      * @brief A model with the first 5 other user read markers for this message.