* fix: Button group widget's pop-over/drop-down enlarged along the width
-- Implement dynamic width calculation
* fix: Button group widget's pop-over/drop-down enlarged along the width
-- Add corresponding Cypress test cases
* fix: Button group widget's pop-over/drop-down enlarged along the width
-- Add min-width CSS property for popover
* fix: Button group widget's pop-over/drop-down enlarged along the width
-- Add a comment for minPopoverWidth
* fix: Button group widget's pop-over/drop-down enlarged along the width
-- Remove the comment for minPopoverWidth
* feat: Button group widget's pop-over/drop-down enlarged along the width
-- update the state variable, itemWidths inside setTimeout to access the updated DOM
* fix: Button gruop widget's pop-over/drop-down enlarged along the width
-- Refine update logic
* fix: Button group widget's pop-over/drop-down enlarged along the width
-- Make code DRY by creating createMenuButtonRefs and getMenuButtonWidths methods
* fix: Button group widget's popover/dropdown enlarged along the width
-- Make every popover class name unique
* fix: Button group widget's pop-over/drop-down enlarged along the width
-- Rewrite Cypress test
* fix: Button group widget's pop-over/drop-down enlarged along the width
-- Eliminate unnecessary test case from ButtonGroup_spec
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