HMI does not show initial prompt text during PerformInteraction RPC processing in MANUAL_ONLY mode

[GetmanetsIrina]

Precondition:

1. SDL and HMI are started
2. Mobile app is registered and activated
3. CreateInteractionChoiceSet is added

Steps to reproduce:

1. Mobile app requests PerfromInteraction(MANUAL_ONLY) with InitialPrompt

Expected behavior:

HMI shows Initial prompt text and sends TTS.Started to the SDL

Actual behavior:

HMI does not show Initial prompt text

OS & Version Information:

• OS/Version: [Ubuntu 18]
• SDL Core Version: https://github.com/smartdevicelink/sdl_core/tree/release/8.1.0 (15ddebb4)
• HMI: https://github.com/smartdevicelink/sdl_hmi/tree/release/5.7.0 (2aa1bdf)
• SPT: 20210729-Android

[GetmanetsIrina]

Please notice this is a non-regression issue. It's also reproduced on release 5.6.0

[jacobkeeler]

Seems like TTS.Speak might be not working at all, seems to be related to these changes:ada1ee3#diff-269cc8047a917494ecee0512b5c3f7aedc2dd1685b31715e3e97627aa4527961L1632
Scratch that, the TTS popup was just out of the range of my browser window