Update ca-ES translation and fix some mistakes

[aseques]

Description

Update the ca-ES translation to fix some missing labels and improve the overall translation

Please check if the PR fulfills these requirements

• [X ] The commit message follows our guidelines: https://github.com/geosolutions-it/MapStore2/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x", remove the others)

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe:

Issue

Other useful information

[cla-bot]

Thank you for your pull request and welcome to our community. We could not parse the GitHub identity of the following contributors: Joan.
This is most likely caused by a git client misconfiguration; please make sure to:

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