Themes(trees): refactor some special renderings, mark as not inline, fix #2469

src/UI/InputElement/Validators/WikidataValidator.ts

@@ -106,6 +106,10 @@ Another example is to search for species and trees:
         if (str === undefined) {
             return false
         }
+        if (str.length === 0) {
+            // Don't show an exclamation mark if empty, the other code will prevent saving
+            return true
+        }
         if (str.length == 1) {
             return false
         }