fix: Only include actor_standby when at least one field is provided #141

Job	Run time
Code checks / Spell check	4s
Docstrings checks / Docstrings checks	17s
Doc checks / Doc checks / Docs check	1m 13s
PR title check	6s
Code checks / Type check / Type check (3.11)	12s
Code checks / Type check / Type check (3.12)	11s
Code checks / Lint check / Lint check (3.13)	11s
Code checks / Lint check / Lint check (3.14)	12s
Code checks / Lint check / Lint check (3.10)	10s
Code checks / Lint check / Lint check (3.12)	11s
Code checks / Type check / Type check (3.14)	13s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	1m 2s
Tests / Unit tests / Unit tests (windows-latest, 3.10)	1m 27s
Code checks / Type check / Type check (3.10)	10s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	1m 17s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	1m 16s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	1m 20s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.10)	57s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	1m 2s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	57s
Code checks / Actions lint check	30s
Tests / Integration tests / Integration tests (ubuntu-latest, 3.10)	1m 0s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	1m 0s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	1m 41s
Code checks / Lint check / Lint check (3.11)	10s
Tests / Integration tests / Integration tests (ubuntu-latest, 3.14)	1m 22s
Code checks / Type check / Type check (3.13)	10s
	18m 21s

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