add missing accessible props for buttons, remove forgotten duplicate accessible props

gpt4all-chat/main.qml

@@ -649,6 +649,9 @@ Window {
                                         anchors.fill: parent
                                         source: "qrc:/gpt4all/icons/thumbs_up.svg"
                                     }
+                                    Accessible.role = Accessible.Button
+                                    Accessible.name = qsTr("Thumbs up")
+                                    Accessible.description = qsTr("Updates response and chatModel state for thumbs up")
                                     onClicked: {
                                         if (thumbsUpState && !thumbsDownState)
                                             return
@@ -682,6 +685,9 @@ Window {
                                         anchors.fill: parent
                                         source: "qrc:/gpt4all/icons/thumbs_down.svg"
                                     }
+                                    Accessible.role = Accessible.Button
+                                    Accessible.name = qsTr("Thumbs down")
+                                    Accessible.description = qsTr("Opens thumbs down dialog")
                                     onClicked: {
                                         thumbsDownDialog.open()
                                     }

gpt4all-chat/qml/ChatDrawer.qml

@@ -38,8 +38,6 @@ Drawer {
             anchors.right: parent.right
             font.pixelSize: theme.fontSizeLarger
             text: qsTr("New chat")
-            Accessible.role: Accessible.Button
-            Accessible.name: text
             Accessible.description: qsTr("Use this to launch an external application that will check for updates to the installer")
             onClicked: {
                 LLM.chatListModel.addChat();
@@ -257,8 +255,6 @@ Drawer {
             anchors.bottom: downloadButton.top
             anchors.bottomMargin: 10
             text: qsTr("Updates")
-            Accessible.role: Accessible.Button
-            Accessible.name: text
             Accessible.description: qsTr("Use this to launch an external application that will check for updates to the installer")
             onClicked: {
                 if (!LLM.checkForUpdates())
@@ -273,8 +269,6 @@ Drawer {
             anchors.bottom: aboutButton.top
             anchors.bottomMargin: 10
             text: qsTr("Downloads")
-            Accessible.role: Accessible.Button
-            Accessible.name: text
             Accessible.description: qsTr("Use this to launch a dialog to download new models")
             onClicked: {
                 downloadClicked()
@@ -287,8 +281,6 @@ Drawer {
             anchors.right: parent.right
             anchors.bottom: parent.bottom
             text: qsTr("About")
-            Accessible.role: Accessible.Button
-            Accessible.name: text
             Accessible.description: qsTr("Use this to launch a dialog to show the about page")
             onClicked: {
                 aboutClicked()