fix(uploads): include ?type=knowledge-base on kb presigned fallback

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/knowledge/hooks/use-knowledge-upload.ts

@@ -257,7 +257,7 @@ export function useKnowledgeUpload(options: UseKnowledgeUploadOptions = {}) {
           file,
           workspaceId: options.workspaceId,
           context: 'knowledge-base',
-          presignedEndpoint: '/api/files/presigned',
+          presignedEndpoint: '/api/files/presigned?type=knowledge-base',
           presignedOverride: presigned,
           onProgress,
         })