fix: dont prefetch file contents if it's not editable/viewable (#6632)

packages/ui/src/utils/file-extensions.ts

@@ -89,6 +89,14 @@ export function isEditableFile(ext: string): boolean {
 	return isCodeFile(ext) || isTextFile(ext)
 }
 
+/**
+ * Check if a file can be opened in the file editor
+ */
+export function canOpenInFileEditor(filename: string): boolean {
+	const ext = getFileExtension(filename)
+	return !filename.includes('.') || isEditableFile(ext) || isImageFile(ext)
+}
+
 /**
  * Get Ace editor language mode for a file extension
  */