Assign undefined to
colum.filter in a grid generates an exeption
Typescript for the model indicates that
column.filter is IFilter | undefined however when set to undefined the grid fails to render.
webpack:///./node_modules/@syncfusion/ej2-grids/src/grid/models/column.js
if (this.filter.itemTemplate) {
this.fltrTemplateFn = templateCompiler(this.filter.itemTemplate);
This is because you have an merge this with options so when options.filters is undefined it crash