Edit: display authentication and network errors with code lenses (#5545)

Close
https://linear.app/sourcegraph/issue/CODY-251/bug-no-visual-indication-in-editor-when-a-users-access-token-is-no

The original issue in the linked issue has been issue, but Dom mentioned
the code lenses right now are just displaying "Applying Edit Fails" on
authentication error. This PR adds an if statement to display
"Authentication Failed" when an authentication error occurs or "Network
Disconnected" when a network error occurs during Edits.

This change adds handling for authentication errors in the codelenses,
displaying a "Authentication Failed" message and providing a command to
sign in.

Additionally, the "Show Rate Limit Modal" command has been removed from
the package.json as this is a utils command that should not be
registered for users to use.

## Test plan

<!-- Required. See
https://docs-legacy.sourcegraph.com/dev/background-information/testing_principles.
-->

I'm not sure how to replicate an auth error, but to test the Network
error, you can start Cody from this branch in the debugger, and then
turn off your Wi-Fi connection before running the Document Command:


![image](https://github.com/user-attachments/assets/b5b86f84-b866-4c2c-a589-40ff18e091e8)

### Before

You will see a codelens with "Applying Edit Failed" without any details
into the error:


![image](https://github.com/user-attachments/assets/09453885-ba3e-4bd0-81d5-54fb476e00be)


## Changelog

<!-- OPTIONAL; info at
https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c
-->

Edit: display authentication and network errors with code lenses

---------

Co-authored-by: James McNamara <[email protected]>

vscode/package.json

@@ -396,13 +396,6 @@
         "group": "Cody",
         "enablement": "cody.activated"
       },
-      {
-        "command": "cody.show-rate-limit-modal",
-        "category": "Cody",
-        "title": "Show Rate Limit Modal",
-        "group": "Cody",
-        "enablement": "cody.activated"
-      },
       {
         "command": "cody.menu.commands",
         "category": "Cody Menu",
@@ -797,10 +790,6 @@
           "command": "cody.show-page",
           "when": "false"
         },
-        {
-          "command": "cody.show-rate-limit-modal",
-          "when": "false"
-        },
         {
           "command": "cody.test.set-context-filters",
           "when": "cody.activated && cody.devOrTest"

vscode/src/non-stop/codelenses/items.ts

@@ -1,6 +1,6 @@
 import * as vscode from 'vscode'
 
-import { isRateLimitError } from '@sourcegraph/cody-shared'
+import { isAuthError, isRateLimitError } from '@sourcegraph/cody-shared'
 
 import { isRunningInsideAgent } from '../../jsonrpc/isRunningInsideAgent'
 import type { FixupTask } from '../FixupTask'
@@ -106,7 +106,17 @@ export function getLensesForTask(task: FixupTask): vscode.CodeLens[] {
 // List of lenses
 function getErrorLens(codeLensRange: vscode.Range, task: FixupTask): vscode.CodeLens {
     const lens = new vscode.CodeLens(codeLensRange)
-    if (isRateLimitError(task.error)) {
+    if (task.error?.message.includes('network error')) {
+        lens.command = {
+            title: '$(warning) Network Disconnected',
+            command: 'cody.chat.signIn',
+        }
+    } else if (isAuthError(task.error)) {
+        lens.command = {
+            title: '$(warning) Authentication Failed',
+            command: 'cody.chat.signIn',
+        }
+    } else if (isRateLimitError(task.error)) {
         if (task.error.upgradeIsAvailable) {
             lens.command = {
                 title: '⚡️ Upgrade to Cody Pro',