fix(kotlin): redundant apiKey setter

Author: Fluf22

clients/algoliasearch-client-kotlin/client/src/commonMain/kotlin/com/algolia/client/transport/internal/KtorRequester.kt

@@ -43,6 +43,7 @@ public class KtorRequester(
     httpClient.config {
       defaultRequest {
         headers {
+          remove(HEADER_APIKEY)
           append(HEADER_APIKEY, apiKey)
         }
       }

templates/kotlin/api.mustache

@@ -12,16 +12,24 @@ import kotlinx.serialization.json.*
 {{#operations}}
 public class {{classname}}(
   override val appId: String,
-  override var apiKey: String,
+  apiKey: String,
   {{#hasRegionalHost}}
   public val region: String{{#fallbackToAliasHost}}? = null{{/fallbackToAliasHost}},
   {{/hasRegionalHost}}
   override val options: ClientOptions = ClientOptions(),
 ) : ApiClient {
 
+  public override var apiKey: String = ""
+    set(value) {
+      field = value
+      requester.setApiKey(value)
+    }
+
   init {
       require(appId.isNotBlank()) { "`appId` is missing." }
       require(apiKey.isNotBlank()) { "`apiKey` is missing." }
+
+      this.apiKey = apiKey
   }
 
   override val requester: Requester = requesterOf(clientName = "{{{baseName}}}", appId = appId, apiKey = apiKey, options = options) {
@@ -55,14 +63,6 @@ public class {{classname}}(
   {{/hostsWithoutVariables.size}}
   }
 
-  /**
-   * Helper method to switch the API key used to authenticate requests.
-   */
-  public fun setApiKey(apiKey: String) {
-    this.apiKey = apiKey
-    this.requester.setApiKey(apiKey)
-  }
-
   {{#operation}}
 
   /**