message: fix(devtools): treemap hover colors highlight selection
diff: .webtreemap-caption {
  font-size: 0.9em;
  }
  + .webtreemap-node:hover {
  + background: #ebf1fb;
  + }
  }
  }
  :host-context(.dark-theme) {
  ::ng-deep {
  .webtreemap-node {
  - background: #424242;
  + background: #202124;
  }
  .webtreemap-node:hover {
  - background: #303030;
  + background: #262d36;
  }
  .webtreemap-caption {
  color: #ffffff;
  