fix(gui.ALConfigWidget): allow earlier selection of next day and fix dialog title on config load

previous time that you can select the next day is 19:00, this may be
tensive, because the time rested to modify the reserve date is limited.
So in current commit, we change this into 18:00.

gui/ALMainWindow.ui

@@ -127,6 +127,12 @@
           <height>30</height>
          </size>
         </property>
+        <property name="toolTip">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;开始运行自动脚本&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
+        <property name="whatsThis">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
         <property name="styleSheet">
          <string notr="true">background-color: rgb(10, 170, 10);
 font: 12pt &quot;Microsoft YaHei UI&quot;;