Resolve all remaining lint issues (#88)

* Rework 'navIdx' variables from number arrays to strings to avoid equality-check failures in react hooks

* Resolve all remaining lint issues

* Fix tests

* Use node v18 in gh action test

src/view/com/util/images/AutoSizedImage.tsx

@@ -47,9 +47,9 @@ export function AutoSizedImage({
             setImgInfo({width, height})
           }
         },
-        (error: any) => {
+        (err: any) => {
           if (!aborted) {
-            setError(String(error))
+            setError(String(err))
           }
         },
       )

src/view/com/util/images/ImageLayoutGrid.tsx

@@ -105,7 +105,7 @@ function ImageLayoutGridInner({
           <TouchableWithoutFeedback onPress={() => onPress?.(1)}>
             <Image source={{uri: uris[1]}} style={size1} />
           </TouchableWithoutFeedback>
-          <View style={{height: 5}} />
+          <View style={styles.hSpace} />
           <TouchableWithoutFeedback onPress={() => onPress?.(2)}>
             <Image source={{uri: uris[2]}} style={size1} />
           </TouchableWithoutFeedback>