Remove double negation in ConfigElement

Author: shepmaster

ui/frontend/AdvancedOptionsMenu.tsx

@@ -26,7 +26,7 @@ const AdvancedOptionsMenu: React.FC = () => {
       <SelectConfig
         name="Edition"
         value={edition}
-        isNotDefault={!isEditionDefault}
+        isDefault={isEditionDefault}
         onChange={changeEdition}
       >
         <option value={Edition.Rust2015}>2015</option>
@@ -41,7 +41,7 @@ const AdvancedOptionsMenu: React.FC = () => {
         a={Backtrace.Disabled}
         b={Backtrace.Enabled}
         value={backtrace}
-        isNotDefault={!isBacktraceDefault}
+        isDefault={isBacktraceDefault}
         onChange={changeBacktrace}
       />
     </MenuGroup>

ui/frontend/ConfigElement.tsx

@@ -70,16 +70,21 @@ export const Select = <T extends string>({
 interface ConfigElementProps {
   children?: React.ReactNode;
   name: string;
-  isNotDefault?: boolean;
+  isDefault?: boolean;
   aside?: JSX.Element;
 }
 
-const ConfigElement: React.FC<ConfigElementProps> = ({ name, isNotDefault, aside, children }) => (
-  <MenuItem>
-    <div className={styles.container}>
-      <span className={isNotDefault ? styles.notDefault : styles.name}>{name}</span>
-      <div className={styles.value}>{children}</div>
-    </div>
-    {aside}
-  </MenuItem>
-);
+const ConfigElement: React.FC<ConfigElementProps> = ({ name, isDefault, aside, children }) => {
+  const actuallyDefault = isDefault ?? true;
+  const defaultStyle = actuallyDefault ? styles.name : styles.notDefault;
+
+  return (
+    <MenuItem>
+      <div className={styles.container}>
+        <span className={defaultStyle}>{name}</span>
+        <div className={styles.value}>{children}</div>
+      </div>
+      {aside}
+    </MenuItem>
+  );
+};