Refactor/new menu item (#1448)

* wip

* finished

* Added disabled

* Fixed disabled

* Finished cleaning

* Minor fixes from merge

* Added docs

* Added PascalCase

* Fix from review

* Fixes from merge

* Fix lint

* Fixed storybook tests

front/src/modules/spreadsheet-import/steps/components/MatchColumnsStep/components/TemplateColumn.tsx

@@ -109,7 +109,7 @@ export const TemplateColumn = <T extends string>({
   });
   const selectOptions = [
     {
-      icon: <IconForbid />,
+      icon: IconForbid,
       value: 'do-not-import',
       label: 'Do not import',
     },

front/src/modules/spreadsheet-import/steps/components/ValidationStep/components/columns.tsx

@@ -134,7 +134,7 @@ export const generateColumns = <T extends string>(
                 value={
                   value
                     ? ({
-                        icon: null,
+                        icon: undefined,
                         ...value,
                       } as const)
                     : value