Split `FilterModal` components into separate files and folders (#44530)

...FilterContent/BooleanFilterEditor/BooleanFilterEditor.tsx

...ent/BooleanFilterEditor/BooleanFilterEditor.unit.spec.tsx

...ing/components/FilterContent/BooleanFilterEditor/index.ts

...FilterContent/ColumnFilterSection/ColumnFilterSection.tsx

...ing/components/FilterContent/ColumnFilterSection/index.ts

...Content/CoordinateFilterEditor/CoordinateFilterEditor.tsx

...ordinateFilterEditor/CoordinateFilterEditor.unit.spec.tsx

.../components/FilterContent/CoordinateFilterEditor/index.ts

...ilterContent/DateFilterEditor/DateFilterEditor.styled.tsx

...nents/FilterContent/DateFilterEditor/DateFilterEditor.tsx

...erContent/DateFilterEditor/DateFilterEditor.unit.spec.tsx

...ng/components/FilterContent/DateFilterEditor/constants.ts

...erying/components/FilterContent/DateFilterEditor/index.ts

...erying/components/FilterContent/DateFilterEditor/utils.ts

...nts/FilterContent/EmptyFilterEditor/EmptyFilterEditor.tsx

...rying/components/FilterContent/EmptyFilterEditor/index.ts

...nents/FilterContent/FilterColumnName/FilterColumnName.tsx

...erying/components/FilterContent/FilterColumnName/index.ts

...lterContent/FilterOperatorPicker/FilterOperatorPicker.tsx

...ng/components/FilterContent/FilterOperatorPicker/index.ts