Replace Wait Until Node Is Enabled with Wait Until Node Is Visible

Button in TestWindowManagement dialog pane is enabled by default, so
Wait Until Node Is Enabled did practically nothing and the test failed
if Click On was executed before the button was rendered.

Author: psaikkonen

src/test/robotframework/acceptance/MiscTests.robot

@@ -151,12 +151,12 @@ Get Node Text Of Incompatible Node
     ${MSG}                  Run Keyword And Expect Error    *    Get Node Text    ${NODE}
     Should End With         ${MSG}      Node has no getText method
 
-Wait Until Node Is Enabled
+Wait Until Node Is Visible
     [Tags]                          smoke
     Set Test Application            javafxlibrary.testapps.TestWindowManagement
     Click On                        \#navigationAlert
     Click On                        .button
-    Wait Until Node Is Enabled      .dialog-pane .button    ${5}
+    Wait Until Node Is Visible      .dialog-pane .button    ${5}
     Click On                        .dialog-pane .button
 
 Find All With Pseudo Class