message: MatrixDynamic columns and visibleIf: Make column invisible if all its editors are invisible, vue platform
diff: </tr>
  </thead>
  <tbody>
  - <tr v-for="(row, rowIndex) in table.rows" :key="question.inputId + '_' + rowIndex">
  + <tr v-for="row in table.rows" :key="question.inputId + '_' + row.id">
  <survey-matrixcell
  :cell="cell"
  :question="question"
  v-for="(cell, cellIndex) in row.cells"
  - :key="rowIndex + '_' + cellIndex"
  + :key="row.id + '_' + cellIndex"
  />
  </tr>
  </tbody>
  