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

• 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:

1. check if your git client is configured with an email to sign commits git config --list | grep email
2. If not, set it up using git config --global user.email email@example.com
3. Make sure that the git commit email is configured in your GitHub account settings, see https://github.com/settings/emails

[tdipisa]

@aseques thank you so much! We need the CLA signed to accept your contribution. Can you please provide it? Thank you again.

[aseques]

@aseques thank you so much! We need the CLA signed to accept your contribution. Can you please provide it? Thank you again.

CLA signed and sent

[tdipisa]

Hi @aseques thank you so much. Well received. Just raised the PR for updating the CLA bot list. Once merged, it will be possible for you to contribute for this. Thank you again.

[tdipisa]

@aseques CLA list updated. Please update your PR branch to the latest master and resolve conflicts. Thanks.