[Bug] Hide the bottom tab navigator on Completed Screen

[watadarkstar]

Before reporting:

• The same bug wasn't already reported, i.e. it's not a duplicate
• This bug is not reported due to an unstable environment

Steps to reproduce:

1. Go to any meditation
2. Complete the meditation
3. See how the bottom tab navigator shows up

Expected behaviour:

No bottom tab navigator

Actual behaviour:

Bottom tab navigator shows up

Smartphone (please complete the following information):

• Device/OS: iPhone Simulator (all devices)

Screenshots/Recording:

[AliNisarAhmed]

I would like to work on this one next.