Soroban contract init followup #3271

Job	Run time
Integration tests (ubuntu-20.04, 1.21, .CLI.)	16m 28s
Build (ubuntu-latest, x86_64-unknown-linux-gnu, amd64)	2m 14s
Unit tests (ubuntu-20.04, 1.21)	6m 22s
Integration tests (ubuntu-20.04, 1.21, ^Test(([^C])\|(C[^L])\|(CL[^I])).*$)	13m 45s
Build (ubuntu-latest, aarch64-unknown-linux-gnu, arm64)	2m 46s
Unit tests (ubuntu-22.04, 1.21)	6m 45s
Integration tests (ubuntu-22.04, 1.21, .CLI.)	17m 36s
Build (macos-latest, x86_64-apple-darwin, amd64)	5m 53s
Integration tests (ubuntu-22.04, 1.21, ^Test(([^C])\|(C[^L])\|(CL[^I])).*$)	12m 57s
Build (macos-latest, aarch64-apple-darwin, arm64)	8m 17s
Build (windows-latest, x86_64-pc-windows-gnu, amd64)	9m 30s
	1h 42m 33s

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