IS-388 Fix retry_tx decorator

[badrogger]

Changes:

1. Make retry_tx decorator reraise unhandled exceptions.
2. Rework exception structure.

Testing:

1. No performace changes were made.
2. Tested schain creation on the local network.
3. Modified exiting tests, added new tests to increase coverage

[codecov]

Codecov Report

Attention: 13 lines in your changes are missing coverage. Please review.

Comparison is base (7c03914) 91.15% compared to head (b0d4f9b) 90.75%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #543      +/-   ##
===========================================
- Coverage    91.15%   90.75%   -0.40%     
===========================================
  Files           66       65       -1     
  Lines         2464     2466       +2     
===========================================
- Hits          2246     2238       -8     
- Misses         218      228      +10     

Files	Coverage Δ
skale/transactions/exceptions.py	100.00% <100.00%> (ø)
skale/utils/exceptions.py	83.33% <ø> (-1.29%)	⬇️
skale/utils/web3_utils.py	86.13% <100.00%> (+0.20%)	⬆️
skale/wallets/__init__.py	100.00% <ø> (ø)
skale/wallets/common.py	80.64% <100.00%> (+1.33%)	⬆️
skale/wallets/sgx_wallet.py	98.36% <100.00%> (+0.36%)	⬆️
skale/contracts/base_contract.py	93.54% <92.30%> (+0.32%)	⬆️
skale/wallets/redis_wallet.py	90.90% <90.90%> (+0.09%)	⬆️
skale/transactions/tools.py	92.39% <87.50%> (-4.17%)	⬇️
skale/wallets/ledger_wallet.py	84.55% <83.33%> (+1.48%)	⬆️
... and 2 more

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