feat(falukant): enhance tax calculation and update messaging parameters

- Updated the tax calculation logic in FalukantService to include character-based checks for political offices, improving accuracy in tax assessments.
- Enhanced the MessagesDialog component to incorporate additional parameters such as satisfaction, threshold_percent, director_id, and director_character_id, providing more detailed notifications.
- Added new localization entries for director resignation risk notifications in multiple languages, ensuring users receive clear and contextual information regarding director dynamics.

frontend/src/i18n/locales/en/falukant.json

@@ -34,6 +34,9 @@
         "notifications": {
             "notify_election_created": "A new election has been scheduled.",
             "notify_office_filled": "A political office has been filled.",
+            "director": {
+                "resignation_risk_high": "High resignation risk for a director: risk {risk_percent}% (threshold {threshold_percent}%). Current satisfaction {satisfaction}."
+            },
             "director_death": "{characterName} died at the age of {ageYears}. As employer you need to appoint a new director.{regionLabel}{spouses}{children}{lovers}",
             "relationship_death": "{characterName} died at the age of {ageYears}.{regionLabel}{spouses}{children}{lovers}",
             "child_death": "Your child {characterName} died at the age of {ageYears}.{regionLabel}",