Add action close modal when click back virtual button

[Quangdm-cdm]

Actual: press virtual back button will back to previous screen or exit app when open modal Expect: close modal when click virtual back button

[haiyenvu23]

Version test : PR #1445 02/03/2024 4:37 PM Validation passed

[haiyenvu23]

Version test : https://file.cdmteck.com/s/DB9JLAnjJczopcC/download?path=%2F&files=SubWalletMobile-build-311-1445-merge-2024-02-03T09-37-07.apk

• [x] Can not close Select network modal when click virtual back button

https://github.com/Koniverse/SubWallet-Mobile/assets/155931563/55bb4e64-08f0-4b1e-93ac-f6976e3645d2

[haiyenvu23]

Version test : https://file.cdmteck.com/s/DB9JLAnjJczopcC/download?path=%2F&files=SubWalletMobile-build-315-1445-merge-2024-02-15T07-52-15.apk Device test : Samsung Validation passed

[ThaoNguyen998]

Version test: https://file.cdmteck.com/s/DB9JLAnjJczopcC/download?path=%2F&files=SubWalletMobile-build-315-1445-merge-2024-02-15T07-52-15.apk Device test: S20 FE 5G

• [x] Navigate incorrect screen in case create new account Steps:
  1. Perform create a new account
  2. On Keep your seed phrase safe screen, click back button
  3. Observe the displayed screen

Actual: Display Your seed phrase screen

https://github.com/Koniverse/SubWallet-Mobile/assets/117999489/d24119a7-9aa2-4221-947a-c5c35b067ac1

Expect: Navigate to Home screen

[haiyenvu23]

Version test : https://file.cdmteck.com/s/DB9JLAnjJczopcC/download?path=%2F&files=SubWalletMobile-build-317-1445-merge-2024-02-19T10-52-25.apk Device test: S20 FE 5G

• [x] Navigate incorrect screen on Select pool and Select validator screen

Steps:

1. Stand on Select pool screen/Select validator screen
2. On Filter screen/Sorting screen/Pool details screen, click back button
3. Observe the displayed screen Actual : Navigate to {Token name} earning options screen Expect: Navigate to Select pool screen/Select validator screen

https://github.com/Koniverse/SubWallet-Mobile/assets/155931563/2f3dc7a2-00f8-4244-b577-8f5d3ac4fc9a

[haiyenvu23]

Version test : https://file.cdmteck.com/s/DB9JLAnjJczopcC/download?path=%2F&files=SubWalletMobile-build-318-1445-merge-2024-02-21T02-49-34.apk Device test : Samsung Validation passed all case close modal when click back virtual button

https://github.com/Koniverse/SubWallet-Mobile/assets/155931563/065148cc-0f69-4603-b60b-a948af785428

https://github.com/Koniverse/SubWallet-Mobile/assets/155931563/62bdd0ae-85cd-4373-9226-f3e6a9eada27