WelcomePage: Use TextField instead of TextInput
WelcomePage: Use TextField instead of TextInput

Task-number: QTCREATORBUG-11325
Change-Id: I542d592db0d1414a5c0cc93b5bd3bb1c1f1f7702
Reviewed-by: Eike Ziller <c142da16c73a95a82d35191bcc55b22835617128@digia.com>

colede/qtcreator,kuba1/qtcreator,kuba1/qtcreator,colede/qtcreator,darksylinc/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,amyvmiwei/qt-creator,omniacreator/qtcreator,darksylinc/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,danimo/qt-creator,kuba1/qtcreator,colede/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,farseerri/git_code,farseerri/git_code,kuba1/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,kuba1/qtcreator,farseerri/git_code,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,darksylinc/qt-creator,omniacreator/qtcreator,darksylinc/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,darksylinc/qt-creator,maui-packages/qt-creator,darksylinc/qt-creator,farseerri/git_code,colede/qtcreator,darksylinc/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,maui-packages/qt-creator,maui-packages/qt-creator,colede/qtcreator,xianian/qt-creator,omniacreator/qtcreator,maui-packages/qt-creator,danimo/qt-creator,colede/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,kuba1/qtcreator,amyvmiwei/qt-creator,farseerri/git_code,danimo/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,kuba1/qtcreator,maui-packages/qt-creator,farseerri/git_code,farseerri/git_code,darksylinc/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,maui-packages/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,colede/qtcreator,xianian/qt-creator,Distrotech/qtcreator,omniacreator/qtcreator,xianian/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,maui-packages/qt-creator,omniacreator/qtcreator,omniacreator/qtcreator,xianian/qt-creator