UI and embedding device changes for GPT4All v3.0.0-rc3 (#2477)

Signed-off-by: Jared Van Bortel <jared@nomic.ai>

gpt4all-chat/qml/MyTextButton.qml

@@ -0,0 +1,19 @@
+import QtQuick
+import QtQuick.Controls
+
+Text {
+    id: text
+
+    signal click()
+    property string tooltip
+
+    HoverHandler { id: hoverHandler }
+    TapHandler { onTapped: { click() } }
+
+    font.bold: true
+    font.underline: hoverHandler.hovered
+    font.pixelSize: theme.fontSizeSmall
+    ToolTip.text: tooltip
+    ToolTip.visible: tooltip !== "" && hoverHandler.hovered
+    ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
+}