refactor(xml-model): swap method parameters

Generally it should follow the pattern namespaceUri/prefix followed by
localName.
chore(bpmn-model): generalize query interface to model element instances
fix(bpmn-model): add any child element collection to extension elements
chore(fluent-api): simplify process creation

- possibility to set process id on creation
- possibility to set process executable on creation

chore(fluent-api): set process id on creation

asd
chore(fluent-api): add method to set the current sequence flow id
feat(bpmn-model): add the intermediate catch event element