server button disappeared when no graphs

Author: Rahuljagwani

src/toolbarActions/toolbarList.js

@@ -141,7 +141,7 @@ const toolbarList = (state, dispatcher) => [
         icon: FaCogs,
         action: () => optionModalToggle(state, dispatcher),
         active: state.isWorkflowOnServer,
-        visibility: state.isWorkflowOnServer,
+        visibility: state.isWorkflowOnServer && state.curGraphInstance,
     },
     {
         type: 'action',
@@ -151,7 +151,7 @@ const toolbarList = (state, dispatcher) => [
         active: state.curGraphIndex !== -1
             ? state.isWorkflowOnServer && state.graphs[state.curGraphIndex].built
             : state.isWorkflowOnServer,
-        visibility: state.isWorkflowOnServer,
+        visibility: state.isWorkflowOnServer && state.curGraphInstance,
     },
     {
         type: 'action',
@@ -161,7 +161,7 @@ const toolbarList = (state, dispatcher) => [
         active: state.curGraphIndex !== -1
             ? state.isWorkflowOnServer && state.graphs[state.curGraphIndex].debugged
             : state.isWorkflowOnServer,
-        visibility: state.isWorkflowOnServer,
+        visibility: state.isWorkflowOnServer && state.curGraphInstance,
     },
     {
         type: 'action',
@@ -171,7 +171,7 @@ const toolbarList = (state, dispatcher) => [
         active: state.curGraphIndex !== -1
             ? state.isWorkflowOnServer && state.graphs[state.curGraphIndex].ran
             : state.isWorkflowOnServer,
-        visibility: state.isWorkflowOnServer,
+        visibility: state.isWorkflowOnServer && state.curGraphInstance,
     },
     {
         type: 'action',
@@ -181,7 +181,7 @@ const toolbarList = (state, dispatcher) => [
         active: state.curGraphIndex !== -1
             ? state.isWorkflowOnServer && state.graphs[state.curGraphIndex].cleared
             : state.isWorkflowOnServer,
-        visibility: state.isWorkflowOnServer,
+        visibility: state.isWorkflowOnServer && state.curGraphInstance,
     },
     {
         type: 'action',
@@ -191,7 +191,7 @@ const toolbarList = (state, dispatcher) => [
         active: state.curGraphIndex !== -1
             ? state.isWorkflowOnServer && state.graphs[state.curGraphIndex].stopped
             : state.isWorkflowOnServer,
-        visibility: state.isWorkflowOnServer,
+        visibility: state.isWorkflowOnServer && state.curGraphInstance,
     },
     {
         type: 'action',
@@ -201,7 +201,7 @@ const toolbarList = (state, dispatcher) => [
         active: state.curGraphIndex !== -1
             ? state.isWorkflowOnServer && state.graphs[state.curGraphIndex].destroyed
             : state.isWorkflowOnServer,
-        visibility: state.isWorkflowOnServer,
+        visibility: state.isWorkflowOnServer && state.curGraphInstance,
     },
 
     // Not being implemented in version 1