title: Convert Json with columns and rows to csv using powershell
body: <p>Please help me to convert my below json file to csv. </p>
  
  <pre><code>{
      "count":  12,
      "name":  "Daily Ticket",
      "columnNames":  [
                          "User",
                          "Channel",
                          "Date",
                          "# of Closed Incidents",
                          "Open",
                          "Response",
                          "Remark",
                          "Closed"
                      ],
      "rows":  [
                      [
                       "abc",
                       "Service Web",
                       "\u00272020-06-13 00:00:00\u0027",
                       "1",
                       "0",
                       "0",
                       "0",
                       "1"
                   ],
                   [
                       "xyz",
                       "Email",
                       "\u00272020-06-13 00:00:00\u0027",
                       "21",
                       "1",
                       "0",
                       "10",
                       "7"
                   ]
               ]
  }
  </code></pre>
  
  <p>I want column names as header and rows as rows separated with comma in csv.</p>
  
  <p>The expected output is like below: </p>
  
  <pre><code>User,Channel,Date,# of Closed Incidents,Open,Response,Remark,Closed
  abc,Service Web,\u00272020-06-13 00:00:00\u0027,1,0,0,0,1
  xyz,Email,\u00272020-06-13 00:00:00\u0027,1,0,0,0,1
  </code></pre>