[GUI] UX tweaks

programs/light_client/qml/FormBox.qml

@@ -35,6 +35,15 @@ Rectangle {
       state = "SHOWN"
    }
 
+   FocusScope {
+      id: scope
+      anchors.fill: parent
+
+      // Do not let focus leave this scope while form is open
+      onFocusChanged: if (enabled && !focus) forceActiveFocus()
+
+      Keys.onEscapePressed: greySheet.state = "HIDDEN"
+
       MouseArea {
          id: mouseTrap
          anchors.fill: parent
@@ -45,6 +54,7 @@ Rectangle {
          acceptedButtons: Qt.AllButtons
       }
       MouseArea {
+         // This mouse area blocks clicks inside the form from reaching the mouseTrap
          anchors.fill: formContainer
          acceptedButtons: Qt.AllButtons
          onClicked: mouse.accepted = true
@@ -55,6 +65,7 @@ Rectangle {
          width: parent.width / 2
          height: parent.height / 2
       }
+   }
 
    states: [
       State {

programs/light_client/qml/main.qml

@@ -113,8 +113,6 @@ ApplicationWindow {
             }
          }
       }
-
-
    }
 
    FormBox {