247 bug fix inconsistencies on textual notation

[antoineatstariongroup]

Prerequisites

• I have written a descriptive pull-request title
• I have verified that there are no overlapping pull-requests open
• I have verified that I am following the SysML2.NET code style guidelines
• I have provided test coverage for my change (where applicable)

Description

This PR fixes :

• Skipped part
• Invalid naming (was not escaped all the time)
• Invalid construction of expression
• Emission (settings-based) of parenthesis to surrounded contained expression

[sonarqubecloud]

Quality Gate failed

Failed conditions
71.8% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud