Uncomment the <tag> bits in window covering. (#11711)

project-chip/zap#274 should have fixed the problem that caused them to be commented out.

Fixes #11056
Fixes #11057

src/app/zap-templates/zcl/data-model/chip/window-covering.xml

@@ -21,12 +21,10 @@ limitations under the License.
  <define>WINDOW_COVERING_CLUSTER</define>
  <client tick="false" init="false">true</client>
  <server tick="false" init="false">true</server>
- <!-- TODO: <tag> support seems to be broken in ZAP, leading to database
- constraint errors
  <tag name="LF" description="Lift Control"/>
  <tag name="TL" description="Tilt Control"/>
  <tag name="PA" description="Position Aware"/>
- <tag name="ABS" description="Absolute Positioning"/> -->
+ <tag name="ABS" description="Absolute Positioning"/>
  <globalAttribute side="server" code="0xFFFC" value="0x0001">
  <featureBit tag="LF" bit="0">true</featureBit>
  <featureBit tag="TL" bit="1">false</featureBit>