[FL-2932] TikTok: reset cursor after enter and reconnect

[gornekich]

What's new

• Reset cursor position on tiktok view enter and connect event

Verification

• Open ble hid app. Connect to phone. Open tiktok controller. Verify it works fine.
• Open ble hid app. Open tiktok controller. Connect to phone. Verify it works fine.

Checklist (For Reviewer)

• [ ] PR has description of feature/bug or link to Confluence/Jira task
• [ ] Description contains actions to verify feature/bugfix
• [ ] I've built this code, uploaded it to the device and verified feature/bugfix

[github-actions[bot]]

Compiled firmware for commit 80d53c6e:

• 📦 Update package
• 📥 DFU file
• ☁️ Web/App updater

[github-actions[bot]]

PVS-Studio report for commit 80d53c6e:

• Report