Handle empty project links correctly

public/style.css

@@ -7289,6 +7289,12 @@ pre,
   margin-left: auto;
   margin-right: auto;
 }
+.flex-shrink-0 {
+  flex-shrink: 0;
+}
+.flex-grow-1 {
+  flex-grow: 1;
+}
 .flex-fair {
   flex-basis: 1px;
   flex-grow: 1;
@@ -7705,19 +7711,6 @@ pre,
     background-color: var(--bg-5);
   }
 }
-
-.not-first-of-type:first-of-type {
-  display: none;
-}
-
-.not-last:last-child {
-  display: none;
-}
-
-.not-last-of-type:last-of-type {
-  display: none;
-}
-
 .svgicon svg {
   fill: currentColor;
   stroke: currentColor;

src/templates/src/project_edit.html

@@ -464,9 +464,15 @@
 	function updateLinksJSON() {
 		const links = [];
 		for (const l of linksContainer.querySelectorAll(".link_row")) {
+			const value = l.querySelector(".link_name").value;
+			const url = l.querySelector(".link_url").value;
+			if (!url) {
+				continue;
+			}
+
 			links.push({
-				"name": l.querySelector(".link_name").value,
-				"url": l.querySelector(".link_url").value,
+				"name": name,
+				"url": url,
 			});
 		}
 		linksJSONInput.value = JSON.stringify(links);