#4317 rules car filtering

[cielbellerose]

Changes

car filtering for rulesets

Test Cases

Instead of one active ruleset per ruleset type -> one active ruleset per type per car
(since a project is connected to a car and we only want one ruleset to show up per type in the project rules view)

• Successful get rulesets by ruleset types filtered by car, and all rulesets when all cars selected
• Two active rulesets can be set for a type if they are for different cars
• Cannot create two active for the same car
• fails if car doesnt exist
• get active ruleset gets the correct ruleset for specified car when two are active

FSAE_2027 showed up for a project connected to the NER-25 car, and Mock_FSAE correctly showed up for a Fergus project

Screenshots

Checklist

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Closes #4317