Store variant analyses in manager

This will store all variant analysis that are run in the manager. Right
now, it only stores the variant analyses in memory. In the future, these
will be loaded from the query history and can be restored after a
restart.

extensions/ql-vscode/src/remote-queries/variant-analysis-manager.ts

@@ -23,6 +23,7 @@ import { CodeQLCliServer } from '../cli';
 export class VariantAnalysisManager extends DisposableObject implements VariantAnalysisViewManager<VariantAnalysisView> {
   private readonly variantAnalysisMonitor: VariantAnalysisMonitor;
   private readonly variantAnalysisResultsManager: VariantAnalysisResultsManager;
+  private readonly variantAnalyses = new Map<number, VariantAnalysis>();
   private readonly views = new Map<number, VariantAnalysisView>();
 
   constructor(
@@ -70,6 +71,8 @@ export class VariantAnalysisManager extends DisposableObject implements VariantA
       return;
     }
 
+    this.variantAnalyses.set(variantAnalysis.id, variantAnalysis);
+
     await this.getView(variantAnalysis.id)?.updateView(variantAnalysis);
   }
 

extensions/ql-vscode/src/remote-queries/variant-analysis-monitor.ts

@@ -41,6 +41,8 @@ export class VariantAnalysisMonitor extends DisposableObject {
     let attemptCount = 0;
     const scannedReposDownloaded: number[] = [];
 
+    this._onVariantAnalysisChange.fire(variantAnalysis);
+
     while (attemptCount <= VariantAnalysisMonitor.maxAttemptCount) {
       await this.sleep(VariantAnalysisMonitor.sleepTime);