Updated state management of floating buttons in Interactive book

[tanmoysrt]

Fixes #251

Describe the changes you have made in this PR - I have updated the state management from tradition setstate to GetX. At first sight, I have decie to go with Provider but later found that GetX is alreaday present as an dependency in the app. So used that andd optimized that. This fix solve which things

• Low memory usage for Interactive book, as the screen will not re-render everytime, just for upate the state of floating buttons
• Circuitverse embeddings loading correctly and no issue while scrolling
• The quiz section will not reset while scroling

Screenshots of the changes (If any) -

A screen recording after updating

https://user-images.githubusercontent.com/57363826/211865395-4056b4af-ee5e-4382-ac2f-8a9031759c5c.mp4

Note: Please check Allow edits from maintainers. if you would like us to assist in the PR.

[tanmoysrt]

@aman-singh7 kindly review this PR

[aman-singh7]

@Tanmoy741127 Provider is used for state management in the app. So, for consistency implement using Provider instead of GetX.

[tanmoysrt]

@aman-singh7 Ok ! Then, i will make the changes using provider

[tanmoysrt]

@aman-singh7 I did not got time to fix the issue. will try to submit the prs by next weekend.

[tanmoysrt]

@Tanmoy741127 Provider is used for state management in the app. So, for consistency implement using Provider instead of GetX.

@aman-singh7 I have submitted new PR with changes with Provider #254 Kindly check