Merge pull request #19725 from calixteman/bug1956114

[Editor] in the signature UI, disable the description input if there is no signature (bug 1956114)

test/integration/signature_editor_spec.mjs

@@ -93,9 +93,11 @@ describe("Signature Editor", () => {
           );
           expect(description).withContext(browserName).toEqual("");
           await page.waitForSelector(`${addButtonSelector}:disabled`);
+          await page.waitForSelector("#addSignatureDescInput:disabled");
 
           await page.type("#addSignatureTypeInput", "PDF.js");
           await page.waitForSelector(`${addButtonSelector}:not(:disabled)`);
+          await page.waitForSelector("#addSignatureDescInput:not(:disabled)");
 
           // The save button should be enabled now.
           await page.waitForSelector(

web/signature_manager.css

@@ -521,6 +521,10 @@
             gap: 4px;
             flex: 1 0 0;
 
+            &:has(input:disabled) > label {
+              opacity: 0.4;
+            }
+
             > label {
               width: auto;
             }

web/signature_manager.js

@@ -325,6 +325,7 @@ class SignatureManager {
     this.#saveCheckbox.disabled =
       this.#clearButton.disabled =
       this.#addButton.disabled =
+      this.#description.disabled =
         !value;
   }