[v25.x] lib: do not provide an empty Proxy from localStorage getter #1004

Job	Run time
Build slim tarball	1m 32s
aarch64-darwin: with shared libraries	1m 2s
x86_64-linux: with shared libraries	20s
x86_64-darwin: with shared libraries	1s
aarch64-linux: with shared libraries	16s
aarch64-linux: with shared libraries	17s
x86_64-linux: with shared libraries	2h 27m 27s
x86_64-darwin: with shared libraries	1s
aarch64-darwin: with shared libraries	2h 53m 45s
Build slim tarball	1m 32s
aarch64-linux: with shared libraries	2h 21m 31s
x86_64-darwin: with shared libraries	1s
aarch64-darwin: with shared libraries	34m 10s
x86_64-linux: with shared libraries	2h 27m 27s
Build slim tarball	1m 32s
x86_64-linux: with shared libraries	2h 27m 27s
x86_64-darwin: with shared libraries	3h 16m 11s
Build slim tarball	1m 32s
aarch64-darwin: with shared libraries	34m 10s
aarch64-linux: with shared libraries	2h 21m 31s
	19h 31m 45s

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