Expose exp_assignments injection on session create/resume across all … #1331

Job	Run time
Rust SDK Tests (ubuntu-latest)	7m 28s
Rust SDK Bundled CLI Build (ubuntu-latest)	51s
Rust SDK Tests (macos-latest)	4m 59s
Rust SDK Bundled CLI Build (windows-latest)	1m 39s
Rust SDK Bundled CLI Build (macos-latest)	1m 1s
Rust SDK Tests (windows-latest)	10m 44s
	26m 42s

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