fix(charging-station): audit fixes — error handling, OCPP conformance, DRY, type...

fix(charging-station): audit fixes — error handling, OCPP conformance, DRY, type safety

- Replace .catch(EMPTY_FUNCTION) with proper error logging (F-001/F-002/F-003)
- Add fail-closed security comment in UIServerSecurity (F-004)
- Convert FIXME to actionable TODO in Bootstrap (F-005)
- Implement relative charging profile duration handling per K01.FR.41-42 (F-006)
- Restart heartbeat and WebSocket ping on template change (F-007)
- Consolidate repeated type casts in convertDeprecatedTemplateKey (F-008)
- Remove duplicate console.warn calls and unused chalk import in UIServerFactory (F-010)
- Extract logPrefix to AbstractUIServer base class, removing duplicates (F-011)
- Extract matchesConfigurationKey predicate in ConfigurationKeyUtils (F-012)
- Add failure counter and error summary for reservation removal (F-013)