[feature] #1621: Introduce By Call Triggers

[Arjentix]

Description of the Change

• Added new ExecuteTrigger ISI
• Added new event and filter: ExecuteTriggerEvent and ExecuteTriggerEventFilter
• Changed WSV so that every clone stores its own copy of events. No reference counting anymore
• Added some integration tests for a new instruction
• Opened Fix listen_for_events() in Client #2005

Issue

Closes #1621

Benefits

Now we can execute trigger by ISI call

Possible Drawbacks

Can't see any

Usage Examples or Tests

See client/test/integration/triggers/by_call_trigger.rs

[codecov]

Codecov Report

Merging #2006 (5a93cb1) into iroha2-dev (f58992e) will decrease coverage by 0.32%.
The diff coverage is 94.61%.

@@              Coverage Diff               @@
##           iroha2-dev    #2006      +/-   ##
==============================================
- Coverage       77.77%   77.45%   -0.33%     
==============================================
  Files             174      176       +2     
  Lines           23797    23951     +154     
==============================================
+ Hits            18509    18552      +43     
- Misses           5288     5399     +111     

Impacted Files	Coverage Δ
data_model/src/transaction.rs	66.66% <0.00%> (-0.23%)	⬇️
data_model/src/events/execute_trigger.rs	77.77% <77.77%> (ø)
...ient/tests/integration/triggers/by_call_trigger.rs	97.84% <97.84%> (ø)
client/tests/integration/triggers/time_trigger.rs	97.22% <100.00%> (ø)
core/src/smartcontracts/isi/mod.rs	74.66% <100.00%> (+0.11%)	⬆️
core/src/smartcontracts/isi/permissions.rs	76.04% <100.00%> (ø)
core/src/smartcontracts/isi/triggers.rs	29.03% <100.00%> (+2.36%)	⬆️
core/src/wsv.rs	91.54% <100.00%> (+0.39%)	⬆️
data_model/src/events/mod.rs	49.09% <100.00%> (+1.92%)	⬆️
data_model/src/isi.rs	82.28% <100.00%> (+0.49%)	⬆️
... and 13 more

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