ST6RI-178 Added --branchid to %load magic command

Author: TheKorpos

org.omg.sysml.jupyter.kernel/src/main/java/org/omg/sysml/jupyter/kernel/magic/Load.java

@@ -37,6 +37,7 @@ public class Load {
     		.keyword("name")
     		.optional("name")
     		.keyword("branch")
+    		.keyword("branchid")
             .flag("help", 'h', "true")
     		.build();
 
@@ -57,6 +58,10 @@ public static String load(List<String> args) {
         	parameters.put(SysMLInteractive.BRANCH_NAME_KEY, getFirstValueOrNull(vals, "branch"));
         }
 
+        if (optionPassed(vals,"branchid")) {
+        	parameters.put(SysMLInteractive.BRANCH_ID_KEY, getFirstValueOrNull(vals, "branchid"));
+        }
+        
         if (optionPassed(vals,"help")) {
         	parameters.put(SysMLInteractive.HELP_KEY, "true");
         }