fix tooltip hide method when already hidden (#31115)

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

js/src/tooltip.js

@@ -331,6 +331,10 @@ class Tooltip {
   }
 
   hide() {
+    if (!this._popper) {
+      return
+    }
+
     const tip = this.getTipElement()
     const complete = () => {
       if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {

js/tests/unit/tooltip.spec.js

@@ -717,6 +717,20 @@ describe('Tooltip', () => {
 
       tooltip.show()
     })
+
+    it('should not throw error running hide if popper hasn\'t been shown', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(div)
+
+      try {
+        tooltip.hide()
+        expect().nothing()
+      } catch {
+        throw new Error('should not throw error')
+      }
+    })
   })
 
   describe('update', () => {