Refactor/ Restructure component layers for kebab button on containercard

[ShoeheyOt]

Overview

Restructuring in order to avoid nesting root in root

Changes

The below diagram is component (+'Root') structure,
the left is what it was and the right is what I changed. As you see, I put DialogRoot in same level as DropdownMenu

Before	After

Screen Captures

This screen capture is controled by Mouse

KebabMenuonContainerCardwithMouse.webm

This one is by Keyboard

KebabMenuonContainerCardwithKeyBoard.webm

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• [X] The base branch is correct (See: Types of Branches)
• [X] The branch name follows the Branch Naming Conventions
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• [X] My changes do not generate new warnings or errors (especially in the console)

Reviewer Checklist:

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• [x] The code follows the generic best practices and our Coding Style Guide
• [ ] The code is well-commented and easy to understand
• [x] The UI changes accurately reflect the provided design

[ShoeheyOt]

@nick-y-ito Thank you for the review! I updated what you have pointed out. As you pointed out, I changed ContainerCardDropdownMenuTrigger to ContainerCardDropdownMenu as it is not only a trigger anymore, Please take a look below diagram how I changed the directtory structure and file name.

before	after