split: Added error when attempting to create file that already exists as directory #6160

Job	Run time
L10n/Fluent Syntax Check	17s
L10n/Locale Support Verification	7m 47s
L10n/Installation Test (Make & Cargo) (ubuntu-latest, feat_os_unix)	7m 11s
L10n/Clap Error Localization Test	1m 56s
L10n/French Integration Test	1m 58s
L10n/Build and Test (ubuntu-latest, feat_os_unix)	4m 16s
L10n/Installation Test (Make & Cargo) (macos-latest, feat_os_macos)	7m 40s
L10n/Build and Test (macos-latest, feat_os_macos)	4m 6s
L10n/Multi-call Binary Install Test (ubuntu-latest, feat_os_unix)	4m 13s
L10n/Build and Test (windows-latest, feat_os_windows)	7m 49s
L10n/Locale Embedding - Ls Utility	1m 21s
L10n/Locale Embedding - Cat Utility	53s
L10n/Multi-call Binary Install Test (macos-latest, feat_os_macos)	5m 14s
L10n/Locale Embedding - Cargo Install	1m 14s
L10n/Embedded Locale Regression Test	1m 48s
L10n/Locale Embedding - Multicall Binary	2m 47s
L10n/Locale Embedding Regression Test	3s
	1h 0m 33s

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