Reorganize EtsIR DTOs

[Lipen]

This PR improves DTOs for EtsIR. Also, it adds the dynamic tests for loading (and auto-converting) available samples from resources. And it also adds some new values and statements introduced in the latest ArkAnalyzer.

[github-actions]

Lifecycle test results

78 tests  ±0   78 ✅ ±0   2m 36s ⏱️ -1s
 7 suites ±0    0 💤 ±0 
 7 files   ±0    0 ❌ ±0 

Results for commit c51b575. ± Comparison against base commit c53062b.

♻️ This comment has been updated with latest results.

[github-actions]

Test results on JDK 19

 69 files  ± 0   69 suites  ±0   4m 53s ⏱️ +15s
594 tests +42  584 ✅ +42  10 💤 ±0  0 ❌ ±0 
664 runs  +84  654 ✅ +84  10 💤 ±0  0 ❌ ±0 

Results for commit c51b575. ± Comparison against base commit c53062b.

♻️ This comment has been updated with latest results.

[github-actions]

Test results on JDK 11

 69 files  ± 0   69 suites  ±0   5m 29s ⏱️ +28s
594 tests +42  586 ✅ +42  8 💤 ±0  0 ❌ ±0 
664 runs  +84  656 ✅ +84  8 💤 ±0  0 ❌ ±0 

Results for commit c51b575. ± Comparison against base commit c53062b.

♻️ This comment has been updated with latest results.

[github-actions]

Test results on JDK 8

 69 files  ± 0   69 suites  ±0   7m 34s ⏱️ +7s
594 tests +42  581 ✅ +42  13 💤 ±0  0 ❌ ±0 
664 runs  +84  651 ✅ +84  13 💤 ±0  0 ❌ ±0 

Results for commit c51b575. ± Comparison against base commit c53062b.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Attention: Patch coverage is 56.89655% with 150 lines in your changes missing coverage. Please review.

Project coverage is 70.79%. Comparing base (ad5e1f1) to head (c51b575).
Report is 3 commits behind head on neo.

Files with missing lines	Patch %	Lines
...-ets/src/main/kotlin/org/jacodb/ets/dto/Convert.kt	68.95%	57 Missing and 29 partials ⚠️
...-ets/src/main/kotlin/org/jacodb/ets/base/EtsRef.kt	0.00%	16 Missing ⚠️
...b-ets/src/main/kotlin/org/jacodb/ets/dto/Values.kt	0.00%	16 Missing ⚠️
...ets/src/main/kotlin/org/jacodb/ets/base/EtsStmt.kt	0.00%	7 Missing ⚠️
...ets/src/main/kotlin/org/jacodb/ets/base/EtsType.kt	0.00%	7 Missing ⚠️
...db-ets/src/main/kotlin/org/jacodb/ets/dto/Stmts.kt	42.85%	4 Missing ⚠️
...db-ets/src/main/kotlin/org/jacodb/ets/dto/Types.kt	0.00%	4 Missing ⚠️
...rc/main/kotlin/org/jacodb/ets/utils/GetOperands.kt	0.00%	4 Missing ⚠️
...ts/src/main/kotlin/org/jacodb/ets/base/EtsValue.kt	0.00%	3 Missing ⚠️
...rc/main/kotlin/org/jacodb/ets/utils/LoadEtsFile.kt	60.00%	2 Missing ⚠️
... and 1 more

Additional details and impacted files

@@             Coverage Diff              @@
##                neo     #288      +/-   ##
============================================
+ Coverage     69.94%   70.79%   +0.84%     
- Complexity     2436     2438       +2     
============================================
  Files           252      252              
  Lines         14582    14608      +26     
  Branches       2107     2109       +2     
============================================
+ Hits          10200    10342     +142     
+ Misses         3499     3393     -106     
+ Partials        883      873      -10     

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