fix: allow selection of stock entry from multiple subcontracting orders

[Ninad1306]

Issue Reference: https://github.com/resilient-tech/india-compliance/issues/2661

_{Huly®: IC-2795}

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 36.00000% with 16 lines in your changes missing coverage. Please review.

Project coverage is 61.42%. Comparing base (4bb9af2) to head (8d4dd39). Report is 16 commits behind head on develop.

Files with missing lines	Patch %	Lines
.../gst_india/overrides/subcontracting_transaction.py	36.00%	16 Missing :warning:

Additional details and impacted files

[](https://app.codecov.io/gh/resilient-tech/india-compliance/pull/2671?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=resilient-tech) ```diff @@ Coverage Diff @@ ## develop #2671 +/- ## =========================================== + Coverage 61.33% 61.42% +0.08% =========================================== Files 119 119 Lines 11505 11557 +52 =========================================== + Hits 7057 7099 +42 - Misses 4448 4458 +10 ``` | [Files with missing lines](https://app.codecov.io/gh/resilient-tech/india-compliance/pull/2671?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=resilient-tech) | Coverage Δ | | |---|---|---| | [.../gst\_india/overrides/subcontracting\_transaction.py](https://app.codecov.io/gh/resilient-tech/india-compliance/pull/2671?src=pr&el=tree&filepath=india_compliance%2Fgst_india%2Foverrides%2Fsubcontracting_transaction.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=resilient-tech#diff-aW5kaWFfY29tcGxpYW5jZS9nc3RfaW5kaWEvb3ZlcnJpZGVzL3N1YmNvbnRyYWN0aW5nX3RyYW5zYWN0aW9uLnB5) | `76.35% <36.00%> (-3.65%)` | :arrow_down: | ... and [15 files with indirect coverage changes](https://app.codecov.io/gh/resilient-tech/india-compliance/pull/2671/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=resilient-tech) [](https://app.codecov.io/gh/resilient-tech/india-compliance/pull/2671?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=resilient-tech)

[Ninad1306]

@vorasmit approval is required to merge this PR.