Fix SSR not working properly in stereo #326

Job	Run time
📊 Static checks / Code style, file formatting, and docs	2m 44s
🤖 Android / Template (target=template_release)	27m 46s
🍏 iOS / Template (target=template_release)	22m 1s
🐧 Linux / Editor w/ Mono (target=editor)	34m 25s
🌐 Web / Template (target=template_release)	19m 2s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	28m 46s
🍎 macOS / Editor (target=editor, tests=yes)	34m 6s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	31m 38s
🏁 Windows / Editor (target=editor, tests=yes)	40m 26s
🍎 macOS / Template (target=template_release)	23m 36s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	28m 22s
🏁 Windows / Template (target=template_release)	30m 21s
🐧 Linux / Template w/ Mono (target=template_release)	18m 39s
🐧 Linux / Minimal template (target=template_release, everything disabled)	10m 38s
🪲 Godot CPP	0s
	5h 52m 30s

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