Bug/1433 cleanup shared space if unsuccessful download

[olehnikolaiev]

fixes #1433

tested manually on devnet as following:

1. Decrease network performance to 1500 Kb upload/ 3500 Kb Download on node A
2. Restart any skaled from the node A from the snapshot - skaled on node shouldn't download more than 1 snapshot fragment
3. Wait for 3 snapshot intervals
4. Check shared-space datadir

[github-actions]

SUGGESTIONS BEFORE MERGE:

1. Build custom container here: https://github.com/skalenetwork/skaled/actions?query=workflow%3A%22Custom+Docker+and+Binary%22
2. Test it here: https://github.com/skalenetwork/skale-ci-integration_tests/actions?query=workflow%3A%22Skaled+Nightly+Tests%22
3. Edit VERSION file appropriately to your changes!
   See https://skalelabs.atlassian.net/wiki/spaces/SKALE/pages/2444951553/Branching+instructions

[kladkogex]

Please add a step by step test description, so another person can reproduce the test

[codecov]

Codecov Report

Merging #1740 (bcc75a5) into v3.18.0 (0aa534f) will decrease coverage by 0.05%.
Report is 1 commits behind head on v3.18.0.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##           v3.18.0    #1740      +/-   ##
===========================================
- Coverage    45.60%   45.55%   -0.05%     
===========================================
  Files          356      356              
  Lines        51669    51669              
===========================================
- Hits         23564    23540      -24     
- Misses       28105    28129      +24