BI-122401 refactor(trigger.text): 使支持指定 title

src/case/trigger/trigger.text.js

@@ -40,6 +40,7 @@ BI.TextTrigger = BI.inherit(BI.Trigger, {
             height: o.height,
             text: text || o.defaultText,
             tipType: o.tipType,
+            title: o.title,
             warningTitle: o.warningTitle,
             hgap: o.textHgap,
             vgap: o.textVgap,

src/case/trigger/trigger.text.select.js

@@ -35,7 +35,7 @@ BI.SelectTextTrigger = BI.inherit(BI.Trigger, {
             textTgap: o.textTgap,
             textBgap: o.textBgap,
             tipType: o.tipType,
-            title: null,
+            title: o.title,
             allowClear: o.allowClear,
             listeners: [
                 {