EmojiPicker: fix reference error

GitLab: #1545
Change-Id: Ie0cdc650a8f1468ed14cb43ccfd223167ddf8b7e

src/app/mainview/components/ChatView.qml

@@ -39,6 +39,10 @@ Rectangle {
 
     property var mapPositions: PositionManager.mapStatus
 
+    // The purpose of this alias is to make the message bar
+    // accessible to the EmojiPicker
+    property alias messageBar: chatViewFooter.messageBar
+
     required property bool inCallView
 
     // Hide the extrasPanel when going into a call view, but save the previous

src/app/mainview/components/ChatViewFooter.qml

@@ -26,6 +26,7 @@ import "../../commoncomponents"
 Rectangle {
     id: root
     property alias textInput: messageBar.textAreaObj
+    property alias messageBar: messageBar
     property string previousConvId
     property string previousAccountId
     property bool showTypo: messageBar.showTypo