Feat: Modify the style of the agent page bright theme #3221 (#9162)

### What problem does this PR solve?

Feat: Modify the style of the agent page bright theme #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/form-sheet/next.tsx

@@ -103,11 +103,13 @@ const FormSheet = ({
               )}
               <X onClick={hideModal} />
             </div>
-            <span>
-              {t(
-                `${lowerFirst(operatorName === Operator.Tool ? clickedToolId : operatorName)}Description`,
-              )}
-            </span>
+            {isMcp || (
+              <span>
+                {t(
+                  `${lowerFirst(operatorName === Operator.Tool ? clickedToolId : operatorName)}Description`,
+                )}
+              </span>
+            )}
           </section>
         </SheetHeader>
         <section className="pt-4 overflow-auto flex-1">