Fix background color on text input

resources/qml/InviteDialog.qml

@@ -56,6 +56,7 @@ ApplicationWindow {
             MatrixTextField {
                 id: inviteeEntry
 
+                backgroundColor: Nheko.colors.window
                 placeholderText: qsTr("@joe:matrix.org", "Example user id. The name 'joe' can be localized however you want.")
                 Layout.fillWidth: true
                 onAccepted: {

resources/qml/MatrixTextField.qml

@@ -10,6 +10,8 @@ import im.nheko 1.0
 TextField {
     id: input
 
+    property alias backgroundColor: backgroundRect.color
+
     palette: Nheko.colors
     color: Nheko.colors.text
 
@@ -62,6 +64,8 @@ TextField {
     }
 
     background: Rectangle {
+        id: backgroundRect
+
         color: Nheko.colors.base
     }