Fix Generate Unit Test on Windows (#1478)

Fixes #1436.

Btw it fixes an issue with an error when closing a file that's content
is being generated.


## Test plan
1. `Generate Unit Test` on both Windows and macOs

gradle.properties

@@ -26,4 +26,4 @@ kotlin.stdlib.default.dependency=false
 nodeBinaries.commit=8755ae4c05fd476cd23f2972049111ba436c86d4
 nodeBinaries.version=v20.12.2
 cody.autocomplete.enableFormatting=true
-cody.commit=38885b4bd403acfca984afbe45cd50b600319ca1
+cody.commit=bcbd5ee0dfc2dcb5f126ca0388cadeabf8b92875

src/main/kotlin/com/sourcegraph/cody/agent/CodyAgentService.kt

@@ -108,6 +108,9 @@ class CodyAgentService(private val project: Project) : Disposable {
       }
 
       agent.client.onOpenUntitledDocument = Function { params ->
+        // We always get a file which does not start with file:// there.
+        // They start with untitled:// which is VSCode-specific way
+        // to say that files does not exist on the disk yet.
         val uri = URI.create(params.uri).withScheme("file")
         if (CodyEditorUtil.createFileIfNeeded(project, uri, params.content) == null)
             return@Function false

src/main/kotlin/com/sourcegraph/cody/agent/protocol/ProtocolTextDocument.kt

@@ -3,7 +3,8 @@ package com.sourcegraph.cody.agent.protocol
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.fileEditor.FileDocumentManager
 import com.intellij.openapi.vfs.VirtualFile
-import com.sourcegraph.cody.agent.protocol.util.Rfc3986UriEncoder
+import java.nio.file.FileSystems
+import java.util.Locale
 
 class ProtocolTextDocument
 private constructor(
@@ -47,8 +48,13 @@ private constructor(
       return ProtocolTextDocument(uriFor(file), text, selection)
     }
 
-    fun uriFor(file: VirtualFile): String {
-      return Rfc3986UriEncoder.encode(file.url)
+    private fun uriFor(file: VirtualFile): String {
+      val uri = FileSystems.getDefault().getPath(file.path).toUri().toString()
+      return uri.replace(Regex("file:///(\\w):/")) {
+        val driveLetter =
+            it.groups[1]?.value?.lowercase(Locale.getDefault()) ?: return@replace it.value
+        "file:///$driveLetter%3A/"
+      }
     }
   }
 }

src/main/kotlin/com/sourcegraph/cody/edit/sessions/FixupSession.kt

@@ -203,8 +203,10 @@ abstract class FixupSession(
     val future = group.show(range)
     // Make sure the lens is visible.
     ApplicationManager.getApplication().invokeLater {
-      val logicalPosition = LogicalPosition(range.start.line, range.start.character)
-      editor.scrollingModel.scrollTo(logicalPosition, ScrollType.CENTER)
+      if (!editor.isDisposed) {
+        val logicalPosition = LogicalPosition(range.start.line, range.start.character)
+        editor.scrollingModel.scrollTo(logicalPosition, ScrollType.CENTER)
+      }
     }
     if (!ApplicationManager.getApplication().isDispatchThread) { // integration test
       future.get()