fix: timeout issue with fw upgrade over VISA

[esarver]

fix: error when writing script of 0 size

[github-actions]

Package	Line Rate	Health
kic-lib/src/interface/connection_addr.rs	57%	✔
kic-debug-visa/src/main.rs	0%	❌
kic-lib/src/instrument/mod.rs	0%	❌
kic-lib/src/instrument/authenticate.rs	17%	❌
instrument-repl/src/state_machine.rs	61%	✔
kic-discover/src/ethernet/mod.rs	0%	❌
kic-lib/src/instrument/language.rs	25%	❌
kic-lib/src/model/ki2600.rs	75%	✔
kic-debug-visa/src/debugger/mod.rs	0%	❌
kic-lib/src/protocol/raw.rs	67%	✔
kic-lib/src/model/versatest.rs	65%	✔
kic-lib/src/instrument/script.rs	93%	✔
kic-discover-visa/src/lib.rs	0%	❌
instrument-repl/src/resources/mod.rs	100%	✔
instrument-repl/src/repl.rs	0%	❌
kic-debug/src/debugger/mod.rs	0%	❌
kic-lib/src/protocol/mod.rs	37%	➖
kic-debug/src/resources/mod.rs	100%	✔
kic-lib/src/protocol/visa.rs	0%	❌
kic/src/main.rs	0%	❌
kic-debug/src/main.rs	0%	❌
kic-discover-visa/src/instrument_discovery/mod.rs	0%	❌
instrument-repl/src/instrument.rs	85%	✔
kic-discover/src/main.rs	0%	❌
kic-discover-visa/src/ethernet/mod.rs	0%	❌
kic-debug-visa/src/resources/mod.rs	100%	✔
kic-lib/src/protocol/stb.rs	31%	➖
kic-lib/src/instrument/abort.rs	0%	❌
kic-lib/src/interface/mod.rs	0%	❌
kic/src/process.rs	0%	❌
kic-lib/src/instrument/reset.rs	0%	❌
kic-discover-visa/src/visa.rs	0%	❌
kic-lib/src/instrument/login.rs	0%	❌
kic-discover/src/process.rs	0%	❌
kic-discover-visa/src/main.rs	0%	❌
kic-lib/src/model/ki3700.rs	76%	✔
kic-lib/src/model/tti.rs	83%	✔
instrument-repl/src/tsp_error.rs	0%	❌
kic-discover/src/lib.rs	0%	❌
kic-lib/src/model/mod.rs	20%	❌
kic-lib/src/interface/async_stream.rs	0%	❌
kic-discover/src/instrument_discovery/mod.rs	0%	❌
kic-debug/src/process.rs	0%	❌
kic-lib/src/instrument/info.rs	55%	✔
Summary	38% (3480 / 9183)	➖