Adopted Array(capacity:) for the read wrappers throughout the library to adapt to Swift 6.4.

Tests/PlaydateKit/WrapperTests.swift

@@ -345,6 +345,19 @@ struct WrapperTests {
         #expect(Mock.eventCount("close") == 1)
     }
 
+    @Test func fileHandleReadLengthReturnsOnlyTheBytesRead() throws {
+        let handle = try File.Handle(path: "save.dat", mode: [.read, .readData])
+
+        Mock.fileReadLimit = 3
+        #expect(try handle.read(length: 8) == [0xAB, 0xAB, 0xAB])
+
+        Mock.fileReadLimit = 0
+        #expect(try handle.read(length: 8).isEmpty)
+
+        Mock.fileReadLimit = -1
+        #expect(throws: PlaydateError.self) { try handle.read(length: 8) }
+    }
+
     // MARK: JSON
 
     @Test func jsonDecodeBuildsTheValueTree() throws {