kcms/options: fix setting AutoRaiseInterval spinbox enabled

If autoRaise checkbox is not checked, set the autoRaiseInterval disabled
as well.

BUG:460420
FIXED-IN:6.2.0


(cherry picked from commit 63dc0ab80a)

src/kcms/options/focus.ui

@@ -171,6 +171,9 @@
        </item>
        <item>
         <widget class="QSpinBox" name="kcfg_AutoRaiseInterval">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
          <property name="whatsThis">
           <string>This is the delay after which the window that the mouse pointer is over will automatically come to the front.</string>
          </property>