feat(badge): set default size

Author: joselrio

core/src/components/badge/test/hint/index.html

@@ -136,7 +136,7 @@
               <ion-tab-button tab="tab-four" class="e2eTabFourButton">
                 <ion-label>Tab Four</ion-label>
                 <ion-icon name="chatbox"></ion-icon>
-                <ion-badge vertical="top" color="success"></ion-badge>
+                <ion-badge vertical="top" color="success" size="small"></ion-badge>
               </ion-tab-button>
             </ion-tab-bar>
           </div>
@@ -165,7 +165,7 @@
               <ion-tab-button tab="tab-four" class="e2eTabFourButton">
                 <ion-label>Tab Four</ion-label>
                 <ion-icon name="chatbox"></ion-icon>
-                <ion-badge vertical="bottom" color="success"></ion-badge>
+                <ion-badge vertical="bottom" color="success" size="small"></ion-badge>
               </ion-tab-button>
             </ion-tab-bar>
           </div>
@@ -201,7 +201,7 @@
               <ion-tab-button tab="tab-four" class="e2eTabFourButton" layout="icon-bottom">
                 <ion-label>Tab Four</ion-label>
                 <ion-icon name="chatbox"></ion-icon>
-                <ion-badge vertical="top" color="success"></ion-badge>
+                <ion-badge vertical="top" color="success" size="small"></ion-badge>
               </ion-tab-button>
             </ion-tab-bar>
           </div>
@@ -230,7 +230,7 @@
               <ion-tab-button tab="tab-four" class="e2eTabFourButton" layout="icon-bottom">
                 <ion-label>Tab Four</ion-label>
                 <ion-icon name="chatbox"></ion-icon>
-                <ion-badge vertical="bottom" color="success"></ion-badge>
+                <ion-badge vertical="bottom" color="success" size="small"></ion-badge>
               </ion-tab-button>
             </ion-tab-bar>
           </div>