Fix Frequency weight being affected by filters

Author: x-sheep

Sources/PropertyBased/Gen+Frequency.swift

@@ -85,7 +85,7 @@ extension Gen {
                 let pick = FloatLiteralType.random(in: 0..<total, using: &rng)
                 let index = options.firstIndex { $0.limit > pick }! as Int
 
-                return (index: index, value: options[index].gen._runIntermediate(&rng))
+                return (index: index, value: options[index].gen.runFull(&rng).input)
             },
             shrink: { pair in
                 let opt = options[pair.index]

Sources/PropertyBased/Generator.swift

@@ -34,9 +34,11 @@ public struct Generator<ResultValue, ShrinkSequence: SendableSequenceType>: Send
 
     /// Run the generator until a single unfiltered value is found.
     @inlinable
-    internal func runFull<G: SeededRandomNumberGenerator>(_ rng: inout G) -> sending (
-        input: InputValue, result: ResultValue
-    ) {
+    internal func runFull<G: SeededRandomNumberGenerator>(_ rng: inout G)
+        -> sending (
+            input: InputValue, result: ResultValue
+        )
+    {
         var arng: any SeededRandomNumberGenerator = rng
         defer { rng = arng as! G }