fix(nodejs): only call get_current_error when an error occurred #610

Job	Run time
Run checks (ubuntu-latest)	24s
Run checks (macos-latest)	45s
Run checks (windows-latest)	53s
Run tests (ubuntu-latest)	3m 21s
Build library (Android) (aarch64-linux-android)	3m 6s
Run tests (macos-latest)	3m 53s
Build library (linux-aarch64, ubuntu-latest, libaries_askar.so, aarch64-unknown-linux-gnu, true)	3m 38s
Build library (Android) (armv7-linux-androideabi)	3m 17s
Run tests (windows-latest)	4m 53s
Build library (iOS) (aarch64-apple-ios)	5m 27s
Build library (linux-x86_64, ubuntu-latest, libaries_askar.so, x86_64-unknown-linux-gnu, true)	3m 29s
Build library (Android) (i686-linux-android)	3m 5s
Build library (iOS) (aarch64-apple-ios-sim)	5m 25s
Build library (Android) (x86_64-linux-android)	2m 59s
Build library (darwin-universal, macos-latest, libaries_askar.dylib, darwin-universal, beta)	9m 59s
Build library (iOS) (x86_64-apple-ios)	7m 7s
Build library (windows-x86_64, windows-latest, aries_askar.dll, x86_64-pc-windows-msvc)	3m 52s
Create library (Android)	0s
Create iOS xcframework	1m 27s
Create iOS and Android release assets	0s
Build and test JavaScript wrapper	38s
Build and test Python wrapper (linux-aarch64, 3.8)	19s
Build and test Python wrapper (linux-x86_64, 3.8)	28s
Build and test Python wrapper (darwin-universal, 3.8)	23s
Build and test Python wrapper (windows-x86_64, 3.8)	33s
Successful build	1s
	1h 9m 22s

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