Removes more warnings

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/cache/DesktopLocalCache.kt

@@ -612,7 +612,7 @@ class DesktopLocalCache : ICacheProvider {
         if (event is AddressableEvent) {
             val address = event.address()
             val note = getOrCreateAddressableNote(address)
-            val author = getOrCreateUser(event.pubKey) ?: return false
+            val author = getOrCreateUser(event.pubKey)
             if (note.event == null || (note.event?.createdAt ?: 0) <= event.createdAt) {
                 note.loadEvent(event, author, emptyList())
                 return true

quic/src/commonMain/kotlin/com/vitorpamplona/quic/tls/TlsClient.kt

@@ -570,7 +570,7 @@ class TlsClient(
                             val edExt = ticket.extensions.firstOrNull { it.type == TlsConstants.EXT_EARLY_DATA }
                             val maxEarly =
                                 if (edExt != null && edExt.data.size >= 4) {
-                                    QuicReader(edExt.data).readUint32().toLong() and 0xFFFFFFFFL
+                                    QuicReader(edExt.data).readUint32() and 0xFFFFFFFFL
                                 } else {
                                     0L
                                 }

quic/src/commonMain/kotlin/com/vitorpamplona/quic/tls/TlsHandshakeMessages.kt

@@ -236,8 +236,8 @@ data class TlsNewSessionTicket(
  * header has already been consumed by the caller's framing loop).
  */
 fun parseNewSessionTicketBody(r: QuicReader): TlsNewSessionTicket {
-    val lifetime = r.readUint32().toLong() and 0xFFFFFFFFL
-    val ageAdd = r.readUint32().toLong() and 0xFFFFFFFFL
+    val lifetime = r.readUint32() and 0xFFFFFFFFL
+    val ageAdd = r.readUint32() and 0xFFFFFFFFL
     val nonce = r.readTlsOpaque1()
     val ticket = r.readTlsOpaque2()
     val extensions = TlsExtension.decodeList(r)