Switch from display to visibility

Helps with the preview snapping into view

javascript/addnet-api.js

@@ -113,11 +113,11 @@ const addNetAPI = async () => {
 		}
 	
 		show() {
-			this.tooltip.style.display = 'block';
+			this.tooltip.style.visibility = 'visible';
 		}
 	
 		hide() {
-			this.tooltip.style.display = 'none';
+			this.tooltip.style.visibility = 'hidden';
 		}
 	}
 	

style.css

@@ -1,7 +1,7 @@
 #addnet_api_tooltip {
     font-family: Source Sans Pro,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";
 	position: fixed;
-    display: none;
+    visibility: hidden;
     background: rgba(0,0,0,0.9);
     border: 1px solid white;
     padding: 0.5em;