Don't sanitize config names when reading.

Before this fix, opening a tulsigen that had a space in it would
cause an unhelpful error to appear, failing to edit the config or
generate an Xcode project based on that config.

PiperOrigin-RevId: 192283660
diff --git a/src/Tulsi/TulsiGeneratorConfigDocument.swift b/src/Tulsi/TulsiGeneratorConfigDocument.swift
index b75aaf3..304b55d 100644
--- a/src/Tulsi/TulsiGeneratorConfigDocument.swift
+++ b/src/Tulsi/TulsiGeneratorConfigDocument.swift
@@ -232,8 +232,16 @@
     return doc
   }
 
-  static func urlForConfigNamed(_ name: String, inFolderURL folderURL: URL?) -> URL? {
-    let filename = TulsiGeneratorConfig.sanitizeFilename("\(name).\(TulsiGeneratorConfig.FileExtension)")
+  static func urlForConfigNamed(_ name: String,
+                                inFolderURL folderURL: URL?,
+                                sanitized: Bool = true) -> URL? {
+    let expectedFilename = "\(name).\(TulsiGeneratorConfig.FileExtension)"
+    let filename: String
+    if sanitized {
+      filename = TulsiGeneratorConfig.sanitizeFilename(expectedFilename)
+    } else {
+      filename = expectedFilename
+    }
     return folderURL?.appendingPathComponent(filename)
   }
 
diff --git a/src/Tulsi/TulsiProjectDocument.swift b/src/Tulsi/TulsiProjectDocument.swift
index e7babfe..3f408fc 100644
--- a/src/Tulsi/TulsiProjectDocument.swift
+++ b/src/Tulsi/TulsiProjectDocument.swift
@@ -341,7 +341,7 @@
         childConfigDocuments.remove(doc)
         doc.close()
       }
-      if let url = urlForConfigNamed(name) {
+      if let url = urlForConfigNamed(name, sanitized: false) {
         let errorInfo: String?
         do {
           try fileManager.removeItem(at: url)
@@ -362,9 +362,10 @@
     generatorConfigNames = configNames.sorted()
   }
 
-  func urlForConfigNamed(_ name: String) -> URL? {
+  func urlForConfigNamed(_ name: String, sanitized: Bool = true) -> URL? {
      return TulsiGeneratorConfigDocument.urlForConfigNamed(name,
-                                                           inFolderURL: generatorConfigFolderURL)
+                                                           inFolderURL: generatorConfigFolderURL,
+                                                           sanitized: sanitized)
   }
 
   /// Asynchronously loads a previously created config with the given name, invoking the given
@@ -379,7 +380,7 @@
   /// Sparsely loads a previously created config with the given name. The returned document may have
   /// unresolved label references.
   func loadSparseConfigDocumentNamed(_ name: String) throws -> TulsiGeneratorConfigDocument {
-    guard let configURL = urlForConfigNamed(name) else {
+    guard let configURL = urlForConfigNamed(name, sanitized: false) else {
       throw DocumentError.noSuchConfig
     }