fix installer schema error messages

[lirantal]

Summary

• report a base-schema import failure as a base-schema error
• report a dictionary import failure as a dictionary error

Why

PR #722 split dictionary data into a dedicated SQL file and updated the installer import order, but the two corresponding failure messages were accidentally reversed. This follow-up was found while triaging #734.

The change is diagnostic only: it does not alter schema contents, import order, installer control flow, or PHP behavior.

Validation

• reproduced the mismatch with a targeted shell assertion before the change
• confirmed the same assertion passes after the change
• bash -n setup/install.sh
• git diff --check HEAD^ HEAD

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Summary by cubic

Fixes swapped installer error messages during MariaDB schema loading: base schema and dictionary SQL import failures now report under the correct labels. Diagnostic-only; no changes to schema contents, import order, or installer behavior.

^{Written for commit 05b20f0. Summary will update on new commits.}

[cubic-dev-ai]

No issues found across 1 file

_{Re-trigger cubic}