Merge branch 'cs/#6177-log-processor-tests-indentation-cs'

Close #6177
Merge branch 'typo/#6178-c-p-mistake-in-processorpluginmanager'

Close #6178
Merge branch 'cs/#6179-logger-indentation-and-trailing-commas'

Close #6179
Merge branch 'feature/#6187-homepage-link-for-component-composer-json'

Close #6187
Close #6192
Merge branch 'hotfix/#6200-restore-libxml-entity-loader-in-soap-server'

Close #6200
Fixes #5962
remove unused execution getBodyText() because already executed in assertion
swap to remove else
add test in ZendTest\Mail for MimeMessage and remove dependencies of ZendTest\MessageTest use statement
Merge branch 'hotfix/#5962-mime-empty-string-on-no-part'

Close #5962
Close #6157
Merge branch 'hotfix/#5962-mime-empty-string-on-no-part' into develop

Close #5962
Close #6157
Forward Port #5962
Forward Port #6157
Hotfix for UnderscoreNamingStrategy for 2.3, will be fixed properly in 2.4
#6207 - removing unused `@group` annotation
Merge branch 'hotfix/#6207-underscore-naming-strategy-not-studlycase' into develop

Close #6207
Forward Port #6207