add a zero pad value to unfilled profile item

models/profile.go

@@ -9,6 +9,10 @@ func (p *Profile) InsertOrShift(index int, value string) {
 	if index < len(p.ProfileItems) {
 		p.ProfileItems = append(p.ProfileItems[:index], value)
 	} else {
-		p.ProfileItems = append(p.ProfileItems, value)
+		for len(p.ProfileItems) < index {
+			p.ProfileItems = append(p.ProfileItems, "0")
+		}
+		p.ProfileItems = append(p.ProfileItems, "0") 
+		p.ProfileItems[index] = value
 	}
 }