fix: add null checks for getViewState in SurfaceMountingManager #40543

Job	Run time
lint	2m 11s
check_code_changes	11s
set_release_type	4s
build_android	49m 18s
test_ios_rntester_dynamic_frameworks	0s
build_debugger_shell	0s
test_ios_helloworld	0s
prebuild_react_native_core	0s
test_ios_rntester	0s
test_ios_helloworld_with_ruby_3_2_0	-1s
prebuild_apple_dependencies	-1s
test_ios_rntester_ruby_3_2_0	-1s
test_e2e_ios_rntester	-1s
test_e2e_ios_rntester_retry_2	-1s
test_e2e_ios_rntester_retry_1	-1s
build_fantom_runner	20m 9s
build_js_types	51s
test_js (22.13.0)	3m 23s
test_js (24)	3m 23s
run_fantom_tests / test	4m 19s
run_fantom_tests / report	4s
run_fantom_tests_retry_1 / test	4m 7s
run_fantom_tests_retry_1 / report	3s
run_fantom_tests_retry_2	0s
build_npm_package	2m 46s
test_e2e_android_rntester / test (release)	7m 30s
test_e2e_android_rntester / test (debug)	8m 23s
test_android_helloworld (Debug)	5m 49s
test_android_helloworld (Release)	7m 8s
test_e2e_android_templateapp / test (release)	7m 33s
test_e2e_android_templateapp / test (debug)	7m 15s
test_e2e_ios_templateapp	0s
test_e2e_ios_templateapp_retry_1	0s
test_e2e_ios_templateapp_retry_2	0s
test_e2e_android_rntester / report	4s
test_e2e_android_rntester_retry_1	-1s
test_e2e_android_rntester_retry_2	-1s
test_e2e_android_templateapp / report	2s
test_e2e_android_templateapp_retry_1	-1s
test_e2e_android_templateapp_retry_2	0s
	2h 14m 24s

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