[FIX] Defective FlexDatalist library

[ppfeufer]

Description

This PR switches out the defective flexDataList library for the bootstrap5-autocomplete library.

Fixed

• An issue with a weird encoding when typing > in Doctrine field (and others) #185

Fixes #185

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality not to work as expected)

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented on my code, particularly in hard-to-understand areas
• [x] I have checked my code and corrected any misspellings

[codecov[bot]]

Codecov Report

Merging #191 (b162256) into master (be5c171) will not change coverage. The diff coverage is n/a.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #191 +/- ## ======================================= Coverage 76.90% 76.90% ======================================= Files 15 15 Lines 619 619 Branches 59 59 ======================================= Hits 476 476 Misses 130 130 Partials 13 13 ``` | [Files](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/191?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer) | Coverage Δ | | |---|---|---| | [fleetpings/form.py](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/191?src=pr&el=tree&filepath=fleetpings%2Fform.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer#diff-ZmxlZXRwaW5ncy9mb3JtLnB5) | `100.00% <ø> (ø)` | | ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/191?dropdown=coverage&src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/191?dropdown=coverage&src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer). Last update [be5c171...b162256](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/191?dropdown=coverage&src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer).