fix: make sure old fix panels are closed on startup

src/snyk/snykCode/views/suggestion/codeSuggestionWebviewProvider.ts

@@ -31,7 +31,7 @@ import { ICodeSuggestionWebviewProvider } from '../interfaces';
 import { readFileSync } from 'fs';
 import { TextDocument } from '../../../common/vscode/types';
 import { Suggestion, SuggestionMessage } from './types';
-import { WebviewPanelSerializer } from '../../../common/views/webviewPanelSerializer';
+import { WebviewPanelSerializer } from '../../../snykCode/views/webviewPanelSerializer';
 
 export class CodeSuggestionWebviewProvider
   extends WebviewProvider<Issue<CodeIssueData>>

src/snyk/snykCode/views/webviewPanelSerializer.ts

@@ -0,0 +1,12 @@
+import * as vscode from 'vscode';
+import { WebviewProvider } from '../../../snyk/common/views/webviewProvider';
+import { Logger } from '../../common/logger/logger';
+
+export class WebviewPanelSerializer<Provider extends WebviewProvider<State>, State> implements vscode.WebviewPanelSerializer {
+  constructor(private readonly provider: Provider) {}
+  async deserializeWebviewPanel(webviewPanel: vscode.WebviewPanel): Promise<void> {
+    // we want to make sure the panel is closed on startup
+    webviewPanel.dispose();
+    return Promise.resolve();
+  }
+}