Make event name helper and use it on tooltip & popover to reduce dist sizes (#35856)

* feat: create eventName getter function in baseComponent

* refactor: use `eventName` getter on tooltip & popover

js/src/popover.js

@@ -13,8 +13,6 @@ import Tooltip from './tooltip'
  */
 
 const NAME = 'popover'
-const DATA_KEY = 'bs.popover'
-const EVENT_KEY = `.${DATA_KEY}`
 
 const SELECTOR_TITLE = '.popover-header'
 const SELECTOR_CONTENT = '.popover-body'
@@ -37,19 +35,6 @@ const DefaultType = {
   content: '(null|string|element|function)'
 }
 
-const Event = {
-  HIDE: `hide${EVENT_KEY}`,
-  HIDDEN: `hidden${EVENT_KEY}`,
-  SHOW: `show${EVENT_KEY}`,
-  SHOWN: `shown${EVENT_KEY}`,
-  INSERTED: `inserted${EVENT_KEY}`,
-  CLICK: `click${EVENT_KEY}`,
-  FOCUSIN: `focusin${EVENT_KEY}`,
-  FOCUSOUT: `focusout${EVENT_KEY}`,
-  MOUSEENTER: `mouseenter${EVENT_KEY}`,
-  MOUSELEAVE: `mouseleave${EVENT_KEY}`
-}
-
 /**
  * Class definition
  */
@@ -68,10 +53,6 @@ class Popover extends Tooltip {
     return NAME
   }
 
-  static get Event() {
-    return Event
-  }
-
   // Overrides
   _isWithContent() {
     return this._getTitle() || this._getContent()