fix Welcome.js: readd allPolicies variable and add delete allPolicies…

… logic

src/libs/actions/Welcome.js

@@ -65,14 +65,20 @@ Onyx.connect({
     },
 });
 
+const allPolicies = {};
 Onyx.connect({
     key: ONYXKEYS.COLLECTION.POLICY,
     callback: (val, key) => {
-        if (!val || !key) {
+        if (!key) {
+            return;
+        }
+
+        if (val === null || val === undefined) {
+            delete allPolicies[key];
             return;
         }
 
-        Policy.allPolicies[key] = {...Policy.allPolicies[key], ...val};
+        allPolicies[key] = {...allPolicies[key], ...val};
     },
 });
 
@@ -119,7 +125,7 @@ function show({routes, showCreateMenu}) {
 
         // If user is not already an admin of a free policy and we are not navigating them to their workspace or creating a new workspace via workspace/new then
         // we will show the create menu.
-        if (!Policy.isAdminOfFreePolicy(Policy.allPolicies) && !isDisplayingWorkspaceRoute) {
+        if (!Policy.isAdminOfFreePolicy(allPolicies) && !isDisplayingWorkspaceRoute) {
             showCreateMenu();
         }
     });