Split/combine file fixes

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 23 lines in your changes are missing coverage. Please review.

Project coverage is 23.49%. Comparing base (3e0e06d) to head (8c115b8).

Files	Patch %	Lines
.../exeter/QuinCe/web/datasets/export/ExportBean.java	0.00%	23 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2878 +/- ## ============================================ - Coverage 23.50% 23.49% -0.01% Complexity 1612 1612 ============================================ Files 381 381 Lines 19495 19500 +5 Branches 2618 2617 -1 ============================================ Hits 4582 4582 - Misses 14605 14610 +5 Partials 308 308 ``` | [Flag](https://app.codecov.io/gh/BjerknesClimateDataCentre/QuinCe/pull/2878/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=BjerknesClimateDataCentre) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/BjerknesClimateDataCentre/QuinCe/pull/2878/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=BjerknesClimateDataCentre) | `23.49% <0.00%> (-0.01%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=BjerknesClimateDataCentre#carryforward-flags-in-the-pull-request-comment) to find out more.

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