IOS-5453: Fix some typos and warnings

Author: m3g0byt3

TangemSdk/TangemSdk/Common/Services/Secure/BiometricsStorage.swift

@@ -64,7 +64,7 @@ public class BiometricsStorage {
         Log.debug("BiometricsStorage set - status \(status.message) \(status)")
 
         if status == errSecDuplicateItem && overwrite {
-            var searchQuery: [CFString: Any] = [
+            let searchQuery: [CFString: Any] = [
                 kSecClass: kSecClassGenericPassword,
                 kSecAttrAccount: account,
                 kSecUseDataProtectionKeychain: true,

TangemSdk/TangemSdk/Common/TLV/Tlv.swift

@@ -77,13 +77,13 @@ public struct Tlv: Equatable {
     /// - Parameter dataStream: dataStream initialized with raw tlv
     private static func readTagLength(_ dataStream: InputStream) -> Int? {
         guard let shortLengthBytes = dataStream.readByte() else {
-            Log.error("Failed to read tag lenght")
+            Log.error("Failed to read tag length")
             return nil
         }
 
         if (shortLengthBytes == 0xFF) {
             guard let longLengthBytes = dataStream.readBytes(count: 2) else {
-                Log.error("Failed to read tag long lenght")
+                Log.error("Failed to read tag long length")
                 return nil
             }