fix(rnd): Fix broken list input pin execution ordering & unlinked dynamic pins on save

[majdyz]

Background

The input execution on list input pin is currently unordered, and on each save, the link connection is lost.
See [Broken List Input Pin · Issue #8107 · Significant-Gravitas/AutoGPT](#8107).

Changes 🏗️

This PR fixes the provided issue by fixing the input coalescing behaviour on the execution, and avoid removing empty string on hardcoded value, to retain the empty string connection.

Testing 🔍

Note

Only for the new autogpt platform, currently in rnd/

• Create from scratch and execute an agent with at least 3 blocks
• Import an agent from file upload, and confirm it executes correctly
• Upload agent to marketplace
• Import an agent from marketplace and confirm it executes correctly
• Edit an agent from monitor, and confirm it executes correctly

[qodo-merge-pro]

PR Reviewer Guide 🔍

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Key issues to review Potential Performance Issue The new implementation for merging list inputs may lead to unnecessary memory allocation when padding the list with empty strings. Behavior Change The changes in removeEmptyStringsAndNulls function for arrays might alter the expected behavior in some cases, as it no longer removes empty strings from arrays.

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[github-actions]

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[github-actions]

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