Fix a bug in App.BasePanelWithSelector for IE.

static/plugin_dbui/CHANGELOG

static/plugin_dbui/src/base.js

static/plugin_dbui/src/buttondownload.js

static/plugin_dbui/src/combobox.js

static/plugin_dbui/src/form.js

static/plugin_dbui/src/grid.js

static/plugin_dbui/src/gridfilter.js

static/plugin_dbui/src/gridwithfilter.js

static/plugin_dbui/src/jsonstore.js

static/plugin_dbui/src/linkedcombobox.js

static/plugin_dbui/src/panelwithurlselector.js

static/plugin_dbui/src/pformtooltip.js

static/plugin_dbui/src/pgridexpertmenu.js

static/plugin_dbui/src/pgridmathjax.js

static/plugin_dbui/src/pgridpaging.js

static/plugin_dbui/src/pgridroweditorbase.js

static/plugin_dbui/src/pgridroweditorconfirmdelete.js

static/plugin_dbui/src/pgridroweditorcontextmenu.js

static/plugin_dbui/src/pgridroweditordblclick.js

static/plugin_dbui/src/pgridroweditortoolbar.js