🐛 fix(parameterComponent): change default key-value pair in case of empty value to improve clarity

🐛 fix(keypairListComponent): update placeholder text to improve user guidance

src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx

@@ -398,7 +398,7 @@ export default function ParameterComponent({
               value={
                 data.node!.template[name].value?.length === 0 ||
                 !data.node!.template[name].value
-                  ? [{ yourKey: "yourValue" }]
+                  ? [{ "": "" }]
                   : convertObjToArray(data.node!.template[name].value)
               }
               duplicateKey={errorDuplicateKey}

src/frontend/src/components/keypairListComponent/index.tsx

@@ -70,7 +70,7 @@ export default function KeypairListComponent({
                 type="text"
                 value={obj[key]}
                 className={editNode ? "input-edit-node" : ""}
-                placeholder="Click to input a value..."
+                placeholder="Type a value..."
                 onChange={(event) =>
                   handleChangeValue(event.target.value, index)
                 }