Use dedicated error message for log file open failure

Author: JamesNK

extension/src/loc/strings.ts

@@ -119,6 +119,7 @@ export const selectFileTitle = vscode.l10n.t('Select file');
 export const enterPipelineStep = vscode.l10n.t('Enter the pipeline step to execute');
 export const appHostSourceNotFound = vscode.l10n.t('Could not determine the AppHost source file to open.');
 export const appHostSourceOpenFailed = (path: string) => vscode.l10n.t('Failed to open AppHost source file: {0}', path);
+export const logFileOpenFailed = (path: string) => vscode.l10n.t('Failed to open AppHost log file: {0}', path);
 export const logFileLabel = vscode.l10n.t('AppHost logs');
 
 // CodeLens strings.

extension/src/views/AspireAppHostTreeProvider.ts

@@ -18,6 +18,7 @@ import {
     tooltipEndpoints,
     appHostSourceNotFound,
     appHostSourceOpenFailed,
+    logFileOpenFailed,
     healthChecksLabel,
     healthCheckDescription,
     resourceDescriptionHealth,
@@ -761,7 +762,7 @@ export class AspireAppHostTreeProvider implements vscode.TreeDataProvider<TreeEl
             const document = await vscode.workspace.openTextDocument(uri);
             await vscode.window.showTextDocument(document, { preview: false });
         } catch {
-            vscode.window.showWarningMessage(appHostSourceOpenFailed(filePath));
+            vscode.window.showWarningMessage(logFileOpenFailed(filePath));
         }
     }