fix(chat): fix incorrect file uris being sent to langauge server

plugins/amazonq/chat/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/webview/BrowserConnector.kt

@@ -17,7 +17,6 @@ import com.intellij.openapi.fileEditor.FileEditorManager
 import com.intellij.openapi.options.ShowSettingsUtil
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.vfs.LocalFileSystem
-import com.intellij.openapi.vfs.VfsUtilCore
 import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.ui.jcef.JBCefJSQuery.Response
 import kotlinx.coroutines.CancellationException
@@ -104,6 +103,7 @@ import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.SendC
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.StopResponseMessage
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.TELEMETRY_EVENT
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.util.LspEditorUtil
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.util.LspEditorUtil.toUriString
 import software.aws.toolkits.jetbrains.services.amazonq.util.command
 import software.aws.toolkits.jetbrains.services.amazonq.util.tabType
 import software.aws.toolkits.jetbrains.services.amazonq.webview.theme.AmazonQTheme
@@ -232,10 +232,10 @@ class BrowserConnector(
             SEND_CHAT_COMMAND_PROMPT -> {
                 val requestFromUi = serializer.deserializeChatMessages<SendChatPromptRequest>(node)
                 val editor = FileEditorManager.getInstance(project).selectedTextEditor
-                val textDocumentIdentifier = editor?.virtualFile?.let { virtualFile ->
-                    val relativePath = VfsUtilCore.getRelativePath(virtualFile, project.baseDir)
-                        ?: virtualFile.path
-                    TextDocumentIdentifier(relativePath)
+                val textDocumentIdentifier = editor?.let { editor ->
+                    editor.virtualFile?.let {
+                        TextDocumentIdentifier(toUriString(it))
+                    }
                 }
                 val cursorState = editor?.let { LspEditorUtil.getCursorState(it) }
 
@@ -366,10 +366,10 @@ class BrowserConnector(
 
             CHAT_INSERT_TO_CURSOR -> {
                 val editor = FileEditorManager.getInstance(project).selectedTextEditor
-                val textDocumentIdentifier = editor?.virtualFile?.let { virtualFile ->
-                    val relativePath = VfsUtilCore.getRelativePath(virtualFile, project.baseDir)
-                        ?: virtualFile.path
-                    TextDocumentIdentifier(relativePath)
+                val textDocumentIdentifier = editor?.let { editor ->
+                    editor.virtualFile?.let {
+                        TextDocumentIdentifier(toUriString(it))
+                    }
                 }
                 val cursorPosition = editor?.let { LspEditorUtil.getCursorPosition(it) }