Add asset max difference setting and update related logic

src/ts/parser.svelte.ts

@@ -453,6 +453,10 @@ function getClosestMatch(name:string, assetPaths:{[key:string]:{path:string, ext
             closestDist = dist
         }
     }
+    console.log(closestDist, closest)
+    if(closestDist > DBState.db.assetMaxDifference){
+        return null
+    }
     return assetPaths[closest]
 }