fix: golangci-lint warnings about unsafe integer conversions #3859

Job	Run time
Flutter integration tests (windows)	7m 12s
C++ Quality Checks	2m 1s
Flutter Quality checks (ubuntu, p4w_ms_store)	1m 22s
Run Go tests with mocks (ubuntu, windows-agent)	8m 7s
Flutter Quality checks (ubuntu, ubuntupro)	3m 9s
Go Quality checks (ubuntu, agentapi)	1m 40s
Run Go tests with mocks (ubuntu, wsl-pro-service)	4m 43s
Flutter Quality checks (windows, p4w_ms_store)	2m 40s
Flutter Quality checks (windows, ubuntupro)	4m 48s
Run Go tests with mocks (ubuntu, common)	1m 14s
Go Quality checks (ubuntu, contractsapi)	44s
Run Go tests with mocks (windows, storeapi/go-wrapper/microsoftstore)	2m 9s
Go Quality checks (ubuntu, mocks)	54s
Run Go tests with mocks (windows, windows-agent)	5m 7s
Go Quality checks (ubuntu, storeapi/go-wrapper/microsoftstore)	54s
Run Go tests with mocks (windows, common)	1m 41s
Go Quality checks (ubuntu, windows-agent)	1m 1s
Go Quality checks (ubuntu, wsl-pro-service)	57s
Go Quality checks (ubuntu, common)	57s
Go Quality checks (windows, agentapi)	5m 0s
Go Quality checks (windows, contractsapi)	2m 33s
Go Quality checks (windows, mocks)	3m 29s
Go Quality checks (windows, storeapi/go-wrapper/microsoftstore)	2m 46s
Go Quality checks (windows, windows-agent)	4m 55s
Go Quality checks (windows, end-to-end)	3m 20s
Go Quality checks (windows, common)	2m 58s
	1h 16m 21s

Provide feedback