Hello @Christophe_HK, thank you for reporting this bug, it helped me solved another bug I noticed.
When using a link component and pointing on an Instagram profile page, if the Instagram picto displays (i.e. the component is an Instagram link and not a general link), then even when the label of the component is empty, a label “Instagram” is displayed above the link.
Workaround: Start the link in spreadsheet with a capital letter. The empty label will no longer display “Instagram” (but the Instagram picto will be replace by a link picto).