Fix description textarea width — add missing col-sm-12 CSS rule

- col-sm-12 had no width defined, causing textarea to collapse
- Set description to 10 rows with no resize

src/pages/workorders/form/WorkOrderFormPage.css

@@ -172,6 +172,10 @@
   width: 50%;
 }
 
+.col-sm-12 {
+  width: 100%;
+}
+
 @media (min-width: 992px) {
   .col-md-4 {
     width: 33.33333333%;

src/pages/workorders/form/WorkOrderFormPage.js

@@ -325,7 +325,7 @@ export default function WorkOrderFormPage() {
                         name="description"
                         value={formData.description}
                         onChange={handleChange}
-                        rows="5"
+                        rows="10"
                         style={{ resize: "none" }}
                         placeholder="Detailed description of the work to be performed"
                       />