fix(files): remove setRenderError(null) from PPTX and PDF streaming paths

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/file-viewer.tsx

@@ -175,7 +175,6 @@ const IframePreview = memo(function IframePreview({
 
       try {
         setRendering(true)
-        setRenderError(null)
 
         const response = await fetch(`/api/workspaces/${workspaceId}/pdf/preview`, {
           method: 'POST',

apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/pptx-preview.tsx

@@ -156,7 +156,6 @@ export const PptxPreview = memo(function PptxPreview({
       if (cancelled) return
       try {
         setRendering(true)
-        setRenderError(null)
 
         const response = await fetch(`/api/workspaces/${workspaceId}/pptx/preview`, {
           method: 'POST',