Fixed it again, this time without a react runtime warning

src/editor/components/spaceselect.tsx

-import React from "react";
+import React, { useState } from "react";
 import "./spaceselect.css";
 
 interface SpaceSelectProps {
@@ -8,11 +8,16 @@ interface SpaceSelectProps {
 }
 
 function SpaceSelect({ onLoadSpace, spaces, spaceId }: SpaceSelectProps) {
+    const [selected, setSelected] = useState(spaceId);
+
     return (
         <div id="spaceselect">
             <select
-                onChange={(event) => onLoadSpace(event.target.value)}
-                value={spaceId}
+                onChange={(event) => {
+                    setSelected(event.target.value);
+                    onLoadSpace(event.target.value);
+                }}
+                value={selected}
             >
                 {spaces.map((spaceName: string) => (
                     <option key={spaceName} value={spaceName}>