Fix Copilot hover reprompting. (#13266)

Author: sean-mcmanus

Extension/src/LanguageServer/client.ts

@@ -1340,6 +1340,9 @@ export class DefaultClient implements Client {
                     this.copilotHoverProvider = new CopilotHoverProvider(this);
                     this.disposables.push(vscode.languages.registerHoverProvider(util.documentSelector, this.copilotHoverProvider));
                 }
+                if (settings.copilotHover !== this.currentCopilotHoverEnabled.Value) {
+                    this.currentCopilotHoverEnabled.Value = settings.copilotHover;
+                }
                 this.disposables.push(vscode.languages.registerHoverProvider(util.documentSelector, this.hoverProvider));
                 this.disposables.push(vscode.languages.registerInlayHintsProvider(util.documentSelector, this.inlayHintsProvider));
                 this.disposables.push(vscode.languages.registerRenameProvider(util.documentSelector, new RenameProvider(this)));