Add possibility to create own id pattern

[666f78]

Is your feature request related to a problem? Please describe.
For now ID is random things and hard to identification test case fast on test case id

Describe the solution you'd like
Add possibility to create own id pattern like:

@T000000001 > @t999999999
@t1 > @t999999999,

Describe alternatives you've considered
Add pattern test case id as option for user preference

[poliarush]

possible issues with bulk operations

[666f78]

@poliarush I do not think so, right now I have an ID like this:

this after importing from qase and everything is working fine