[patch] Composite serialization bugs

[liamhuber]

I ran into a few issues when I tried to put a macro as the body node in a for-loop, just a couple of bugs in the (de)serialization. The actual fixes are just a couple lines, and the rest is tests that fail when the bugfixes aren't there.

[github-actions[bot]]

:point_left: Launch a binder notebook on branch _pyiron/pyiron_workflow/composite_serializationbugs

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: -0.15% (target: -1.00%)	:white_check_mark: 46.15%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (bdb292541d8924f72a2a0fc956bf191621185ccc) | 3444 | 3186 | 92.51% | | | Head commit (88f0bd6ed242ffcd96063421455fd1c9ee5da444) | 3456 (+12) | 3192 (+6) | 92.36% (**-0.15%**) | **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 (#369) | 13 | 6 | **46.15%** | **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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[coveralls]

Pull Request Test Coverage Report for Build 9636498860

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 10 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.1%) to 92.361%

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Files with Coverage Reduction	New Missed Lines	%
nodes/for_loop.py	3	98.03%
nodes/composite.py	7	91.13%
<!--	Total:	10		-->

Totals
Change from base Build 9614702153:	-0.1%
Covered Lines:	3192
Relevant Lines:	3456

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💛 - Coveralls