Don't discard type names with parenthesis unless they're enclosed in …

…parentheses from both sidews

- Only `(example_name)` is not allowed, `(example_name` and `example_name)` are now considered valid

lib/src/main/kotlin/com/swmansion/starknet/data/TypedData.kt

@@ -150,7 +150,7 @@ data class TypedData private constructor(
         customTypes.keys.forEach {
             require(it.isNotEmpty()) { "Type names cannot be empty." }
             require(!it.isArray()) { "Type names cannot end in *. [$it] was found." }
-            require(!it.startsWith("(") && !it.endsWith(")")) { "Type names cannot be enclosed in parentheses. [$it] was found." }
+            require(!it.isEnum()) { "Type names cannot be enclosed in parentheses. [$it] was found." }
             require(!it.contains(",")) { "Type names cannot contain commas. [$it] was found." }
             require(it in referencedTypes) { "Dangling types are not allowed. Unreferenced type [$it] was found." }
         }

lib/src/test/kotlin/starknet/data/TypedDataTest.kt

@@ -469,13 +469,11 @@ internal class TypedDataTest {
 
     @Test
     fun `type with parentheses`() {
-        val types = listOf("(left", "right)", "(both)")
-        types.forEach { type ->
-            val exception = assertThrows<IllegalArgumentException> {
-                makeTypedData(Revision.V1, type)
-            }
-            assertEquals("Type names cannot be enclosed in parentheses. [$type] was found.", exception.message)
+        val type = "(mytype)"
+        val exception = assertThrows<IllegalArgumentException> {
+            makeTypedData(Revision.V1, type)
         }
+        assertEquals("Type names cannot be enclosed in parentheses. [$type] was found.", exception.message)
     }
 
     @Test