message: Codestyle fixes in `ViewerTab.ts`
diff: @@ -109,14 +109,14 @@ export class EtViewerTab extends ViewerElement implements AcceptsConfigDatabase,
  }
  this._elementAttached = true;
  - const shadow = this.attachShadow({ mode: 'open', delegatesFocus: false });
  + const shadow = this.attachShadow({ mode: "open", delegatesFocus: false });
  const clone = this._createClone();
  shadow.appendChild(clone);
  this._virtualScrollArea = new VirtualScrollArea.VirtualScrollArea();
  - this.addEventListener('focus', this._handleFocus.bind(this));
  - this.addEventListener('blur', this._handleBlur.bind(this));
  + this.addEventListener("focus", this._handleFocus.bind(this));
  + this.addEventListener("blur", this._handleBlur.bind(this));
  const scrollbar = <ScrollBar> DomUtils.getShadowId(this, ID_SCROLLBAR);
  const scrollerArea = DomUtils.getShadowId(this, ID_SCROLL_AREA);
  @@ -129,12 +129,12 @@ export class EtViewerTab extends ViewerElement implements AcceptsConfigDatabase,
  });
  this._virtualScrollArea.setScrollbar(scrollbar);
  - scrollerArea.addEventListener('wheel', this._handleMouseWheel.bind(this), true);
  - scrollbar.addEventListener('scroll', (ev: CustomEvent) => {
  + scrollerArea.addEventListener("wheel", this._handleMouseWheel.bind(this), true);
  + scrollbar.addEventListener("scroll", (ev: CustomEvent) => {
  this._virtualScrollArea.scrollTo(scrollbar.position);
  });
  - scrollerArea.addEventListener('mousedown', this._handleMouseDown.bind(this), true);
  + scrollerArea.addEventListener("mousedown", this._handleMouseDown.bind(this), true);
  scrollerArea.addEventListener(VirtualScrollArea.EVENT_RESIZE, this._handleVirtualScrollableResize.bind(this));
  scrollerArea.addEventListener(ViewerElement.EVENT_CURSOR_MOVE, this._handleTerminalViewerCursor.bind(this));
  @@ -149,7 +149,7 @@ export class EtViewerTab extends ViewerElement implements AcceptsConfigDatabase,
  font-size: var(--terminal-font-size);
  `);
  containerDiv.appendChild(resizeCanary);
  - resizeCanary.addEventListener('resize', () => {
  + resizeCanary.addEventListener("resize", () => {
  if (this._armResizeCanary) {
  this._armResizeCanary = false;
  this.refresh(RefreshLevel.COMPLETE);
  @@ -309,7 +309,7 @@ export class EtViewerTab extends ViewerElement implements AcceptsConfigDatabase,
  private _createClone(): Node {
  let template = <HTMLTemplateElement>window.document.getElementById(ID);
  if (template === null) {
  - template = window.document.createElement('template');
  + template = window.document.createElement("template");
  template.id = ID;
  template.innerHTML = trimBetweenTags(`
  @@ -381,17 +381,6 @@ export class EtViewerTab extends ViewerElement implements AcceptsConfigDatabase,
  }
  }
  - // ----------------------------------------------------------------------
  - //
  - // ##### ## #####
  - // # # #### ##### #### # # # # # #### # # # # # ###### # # # ####
  - // # # # # # # # # # # ## # # # ## # # # # ## # # #
  - // ##### # # # # # # # # # # # # ### ##### # # # # # # #
  - // # # ##### # # # # # # # # # ### # # # # # # # # # # # ###
  - // # # # # # # # # # # # # ## # # # # # # # # # # ## # #
  - // ##### #### # # #### ###### ###### # # # #### ### # ##### # ###### # # # ####
  - //
  - // ----------------------------------------------------------------------
  private _handleMouseWheel(ev: WheelEvent): void {
  ev.stopPropagation();
  ev.preventDefault();
  