JENKINS-73941 - Avoid disabling the ScriptApproval screen with forceS…

…andbox mode enabled

README.md

@@ -87,7 +87,8 @@ Jenkins jobs) should generally be denied. Most `getSomething` methods are harmle
 
 In case of highly secured environments, where only sandbox scripts are allowed, the 
 option "Force to use the Sandbox globally in the system" allows forcing the use of the 
-sandbox globally in the system and will disable the "In-process Script Approval" screen.
+sandbox globally in the system and will block the creation of new items in the 
+"In-process Script Approval" screen.
 
 ### ACL-aware methods
 Be aware however that even some “getter” methods are designed to check specific 

src/main/java/org/jenkinsci/plugins/scriptsecurity/scripts/ScriptApprovalLink.java

@@ -37,7 +37,7 @@
 @Extension public final class ScriptApprovalLink extends ManagementLink {
 
     @Override public String getIconFileName() {
-        if (ScriptApproval.get().isForceSandbox() || ScriptApproval.get().isEmpty()) {
+        if (ScriptApproval.get().isEmpty()) {
             return null;
         }
         return "symbol-edit-note";