message: card-picker/styles: Fix Flexbox growing/shrinking behavior
  The drag handle and delete button should not grow/shrink, the card title should fill the rest of the space
diff: .cards-editor--input-row {
  display: flex;
  margin-bottom: 1rem;
  - flex: 1 1 300px;
  }
  .cards-editor--input-row > .drag-handle {
  margin-right: 0.25rem;
  cursor: pointer;
  + flex: 0 0 auto;
  +}
  +.cards-editor--input-row > span {
  + flex-grow: 1;
  }
  .cards-editor--input-row > .text-button {
  display: inline-block;
  user-select: none;
  text-decoration: underline;
  color: var(--rising-foreground);
  + flex: 0 0 auto;
  }
  .cards-editor--button-panel > button {
  background-color: var(--tools-highlight);
  