message: Force the app style to Fusion on all platforms
diff: @@ -10,7 +10,7 @@ import * as fs from "fs";
  import * as path from "path";
  import { FileLogWriter, getLogger, addLogWriter, Logger, log } from "extraterm-logging";
  import { CreateSessionOptions, SessionConfiguration} from '@extraterm/extraterm-extension-api';
  -import { QApplication, QFontDatabase } from "@nodegui/nodegui";
  +import { QApplication, QFontDatabase, QStyleFactory } from "@nodegui/nodegui";
  import { Window } from "./Window";
  import { SESSION_CONFIG } from './config/Config';
  @@ -127,6 +127,7 @@ class Main {
  QFontDatabase.addApplicationFont(path.join(SourceDir.path, "../resources/fonts/fa-solid-900.ttf"));
  this.#uiStyle = createUiStyle(path.posix.join(SourceDir.posixPath, "../resources/theme_ui/DarkTwo/"));
  + QApplication.setStyle(QStyleFactory.create("Fusion"));
  QApplication.instance().setStyleSheet(this.#uiStyle.getApplicationStyleSheet());
  this.openWindow();
  