Fix for colon parsing in manifests.

frontend/src/js/misc/wb-collection-manifest.js

@@ -105,7 +105,8 @@ class WBManifestReader {
 
       let fileTokens = tokens.slice(n);
       fileTokens.map(t => {
-        let [ position, size, fileName ] = t.split(':');
+        let [ position, size, ...fileName ] = t.split(':');
+        fileName = fileName.join(':');
         fileName = this.unescapeName(fileName);
         this.appendFile(streamName, locators,
           Number(position), Number(size), fileName);