Resolve #3186932: Refactor to use ruflin/Elastica

Uses ruflin/Elastica, improves error handling and removes some dead code.

changed title from Draft: Refactor to use ruflin/Elastica to Draft: Resolve #3186932: Refactor to use ruflin/Elastica

added 6 commits

• f828a19b...808b25c4 - 5 commits from branch 8.x-7.x
• 4378cca9 - WIP: Refactor to use ruflin/Elastica

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marked this merge request as ready

marked this merge request as draft

assigned to @kallevu

added 3 commits

• f4818068 - Better error reporting
• 56d11194 - Remove unused and deprecated Facet code
• ec063066 - Better error handling on cluster forms

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marked this merge request as ready

changed the description

changed target branch from 8.x-7.x to 8.0.x

added 1 commit

• 5ca78778 - Use entity uuid on ClusterListBuilder, since cluster and index might have same id

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added 1 commit

• a50d596b - Clean-up and search_api_autocomplete compatibility

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merged