fix: restore EditControl disabled during editor testing

A temporary "DO NOT COMMIT" hack commented out <EditControl> in
HearingFormStep3 and leaked into this branch, leaving variables
unused and failing lint. Restored to match main; unrelated to
the CKEditor migration.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: timwessman

src/components/admin/HearingFormStep3.jsx

@@ -321,8 +321,7 @@ const HearingFormStep3 = (props) => {
             )}
           />
           <FeatureGroup ref={featureGroup}>
-            {/* TEMP: EditControl commented out to unblock editor testing (react-leaflet-draw context bug). DO NOT COMMIT. */}
-            {/* <EditControl
+            <EditControl
               position='topleft'
               onCreated={onDrawCreated}
               onDeleted={onDrawDeleted}
@@ -331,7 +330,7 @@ const HearingFormStep3 = (props) => {
                 featureGroup,
                 edit: false,
               }}
-            /> */}
+            />
             {getMapElement(geoJSON)}
           </FeatureGroup>
         </MapContainer>