fix: try inferring both long and short period tides for FES

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 60.00000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 72.45%. Comparing base (bd3d702) to head (6ec4e47). Report is 12 commits behind head on main.

Files with missing lines	Patch %	Lines
pyTMD/predict.py	60.00%	2 Missing and 4 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #343 +/- ## ========================================== + Coverage 71.65% 72.45% +0.80% ========================================== Files 39 39 Lines 11042 10420 -622 Branches 1522 1393 -129 ========================================== - Hits 7912 7550 -362 + Misses 2632 2402 -230 + Partials 498 468 -30 ``` | [Flag](https://app.codecov.io/gh/tsutterley/pyTMD/pull/343/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tyler+Sutterley) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/tsutterley/pyTMD/pull/343/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tyler+Sutterley) | `72.45% <60.00%> (+0.80%)` | :arrow_up: | 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=Tyler+Sutterley#carryforward-flags-in-the-pull-request-comment) to find out more.

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