fix: Skip charging association fees for airdrops of FT already existing in the pending state

[JivkoKelchev]

Description:

Skip charging association fees for airdrops of FT already existing in the pending state Related issue(s):

Fixes #15031

Notes for reviewer:

Checklist

• [ ] Documented (Code comments, README, etc.)
• [ ] Tested (unit, integration, etc.)

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for 3b23fda243314912833e4eb0f23e35c8a5859c00[^1]	:white_check_mark: 100.00%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (3b23fda243314912833e4eb0f23e35c8a5859c00) | Report Missing | Report Missing | Report Missing | | | Head commit (28c8d04f69cb4c02addd4eb84d5fa02f72f7d78e) | 110863 | 69240 | 62.46% | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#15066) | 28 | 28 | **100.00%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more} [^1]: Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 59.10%. Comparing base (964661d) to head (28c8d04). Report is 20 commits behind head on develop.

Additional details and impacted files

[](https://app.codecov.io/gh/hashgraph/hedera-services/pull/15066?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=hashgraph) ```diff @@ Coverage Diff @@ ## develop #15066 +/- ## =========================================== Coverage 59.10% 59.10% + Complexity 22549 22537 -12 =========================================== Files 2902 2895 -7 Lines 111299 111174 -125 Branches 11424 11409 -15 =========================================== - Hits 65783 65710 -73 + Misses 41827 41782 -45 + Partials 3689 3682 -7 ``` | [Files](https://app.codecov.io/gh/hashgraph/hedera-services/pull/15066?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=hashgraph) | Coverage Δ | | |---|---|---| | [...rvice/token/impl/handlers/TokenAirdropHandler.java](https://app.codecov.io/gh/hashgraph/hedera-services/pull/15066?src=pr&el=tree&filepath=hedera-node%2Fhedera-token-service-impl%2Fsrc%2Fmain%2Fjava%2Fcom%2Fhedera%2Fnode%2Fapp%2Fservice%2Ftoken%2Fimpl%2Fhandlers%2FTokenAirdropHandler.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=hashgraph#diff-aGVkZXJhLW5vZGUvaGVkZXJhLXRva2VuLXNlcnZpY2UtaW1wbC9zcmMvbWFpbi9qYXZhL2NvbS9oZWRlcmEvbm9kZS9hcHAvc2VydmljZS90b2tlbi9pbXBsL2hhbmRsZXJzL1Rva2VuQWlyZHJvcEhhbmRsZXIuamF2YQ==) | `85.14% <100.00%> (+1.10%)` | :arrow_up: | | [.../service/token/impl/util/AirdropHandlerHelper.java](https://app.codecov.io/gh/hashgraph/hedera-services/pull/15066?src=pr&el=tree&filepath=hedera-node%2Fhedera-token-service-impl%2Fsrc%2Fmain%2Fjava%2Fcom%2Fhedera%2Fnode%2Fapp%2Fservice%2Ftoken%2Fimpl%2Futil%2FAirdropHandlerHelper.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=hashgraph#diff-aGVkZXJhLW5vZGUvaGVkZXJhLXRva2VuLXNlcnZpY2UtaW1wbC9zcmMvbWFpbi9qYXZhL2NvbS9oZWRlcmEvbm9kZS9hcHAvc2VydmljZS90b2tlbi9pbXBsL3V0aWwvQWlyZHJvcEhhbmRsZXJIZWxwZXIuamF2YQ==) | `80.39% <100.00%> (+1.01%)` | :arrow_up: | ... and [25 files with indirect coverage changes](https://app.codecov.io/gh/hashgraph/hedera-services/pull/15066/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=hashgraph) [](https://app.codecov.io/gh/hashgraph/hedera-services/pull/15066?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=hashgraph)