SONAR-21268 Fixed issues can be null in PR decoration

sonar-ws/src/main/java/org/sonarqube/ws/client/projects/CreateRequest.java

@@ -30,21 +30,21 @@ import javax.annotation.Generated;
 @Generated("sonar-ws-generator")
 public class CreateRequest {
 
-  private String branch;
+  private String mainBranch;
   private String name;
   private String project;
   private String visibility;
 
   /**
-   * Example value: "branch-5.0"
+   * Example value: "master"
    */
-  public CreateRequest setBranch(String branch) {
-    this.branch = branch;
+  public CreateRequest setMainBranch(String mainBranch) {
+    this.mainBranch = mainBranch;
     return this;
   }
 
-  public String getBranch() {
-    return branch;
+  public String getMainBranch() {
+    return mainBranch;
   }
 
   /**

sonar-ws/src/main/java/org/sonarqube/ws/client/projects/ProjectsService.java

@@ -71,7 +71,7 @@ public class ProjectsService extends BaseService {
   public CreateWsResponse create(CreateRequest request) {
     return call(
       new PostRequest(path("create"))
-        .setParam("branch", request.getBranch())
+        .setParam("mainBranch", request.getMainBranch())
         .setParam("name", request.getName())
         .setParam("project", request.getProject())
         .setParam("visibility", request.getVisibility()),