User role validation across workspace and projects. (#3167)

* chore: remove `add link` button for guests & viewer in modules sidebar.

* chore: remove `+` (add view) icon for guests & viewer in `All Issues`.

* chore: remove `Start Project` button from Dashboard & Projects empty state for guests & viewers.

* chore: project level user role validation for empty states.

web/pages/[workspaceSlug]/projects/[projectId]/cycles/index.tsx

@@ -103,13 +103,17 @@ const ProjectCyclesPage: NextPageWithLayout = observer(() => {
               description:
                 "A sprint, an iteration, and or any other term you use for weekly or fortnightly tracking of work is a cycle.",
             }}
-            primaryButton={{
-              icon: <Plus className="h-4 w-4" />,
-              text: "Set your first cycle",
-              onClick: () => {
-                setCreateModal(true);
-              },
-            }}
+            primaryButton={
+              isEditingAllowed
+                ? {
+                    icon: <Plus className="h-4 w-4" />,
+                    text: "Set your first cycle",
+                    onClick: () => {
+                      setCreateModal(true);
+                    },
+                  }
+                : null
+            }
             disabled={!isEditingAllowed}
           />
         </div>