Spelling error in FirestoreDecodingError (#5520)

Author: lorenzofiamingo

Firestore/Swift/Source/Codable/CodableErrors.swift

@@ -16,7 +16,7 @@
 
 public enum FirestoreDecodingError: Error {
   case decodingIsNotSupported(String)
-  case fieldNameConfict(String)
+  case fieldNameConflict(String)
 }
 
 public enum FirestoreEncodingError: Error {

Firestore/Swift/Tests/Codable/FirestoreEncoderTests.swift

@@ -595,7 +595,7 @@ class FirestoreEncoderTests: XCTestCase {
           in: FSTTestDocRef("abc/123")
         )
         XCTFail("Failed to throw")
-      } catch let FirestoreDecodingError.fieldNameConfict(msg) {
+      } catch let FirestoreDecodingError.fieldNameConflict(msg) {
         XCTAssertEqual(msg, "Field name [\"docId\"] was found from document \"abc/123\", "
           + "cannot assign the document reference to this field.")
         return

Firestore/third_party/FirestoreEncoder/FirestoreDecoder.swift

@@ -346,7 +346,7 @@ private struct _FirestoreKeyedDecodingContainer<K: CodingKey>: KeyedDecodingCont
           var codingPathCopy = codingPath.map { key in key.stringValue }
           codingPathCopy.append(key.stringValue)
 
-          throw FirestoreDecodingError.fieldNameConfict("Field name " +
+          throw FirestoreDecodingError.fieldNameConflict("Field name " +
             "\(codingPathCopy) was found from document \"\(docPath)\", " +
             "cannot assign the document reference to this field.")
         }