debug: store adapter data better

fixes #65758

src/vs/workbench/parts/debug/common/debugModel.ts

@@ -644,6 +644,13 @@ export class Breakpoint extends BaseBreakpoint implements IBreakpoint {
 		return data ? data.endColumn : undefined;
 	}
 
+	setSessionData(sessionId: string, data: DebugProtocol.Breakpoint): void {
+		super.setSessionData(sessionId, data);
+		if (!this._adapterData) {
+			this._adapterData = this.adapterData;
+		}
+	}
+
 	toJSON(): any {
 		const result = super.toJSON();
 		result.uri = this.uri;