[nikohomecontrol] Add shutter invert and fix connection with NHC does not recover (#10281)

* Ignore devices.changed event.

Signed-off-by: Mark Herwege <mark.herwege@telenet.be>

* Null warnings cleanup.

Signed-off-by: Mark Herwege <mark.herwege@telenet.be>

* Remove @NonNullByDefault({})

Signed-off-by: Mark Herwege <mark.herwege@telenet.be>

* Shorten logger messages.

Signed-off-by: Mark Herwege <mark.herwege@telenet.be>

* Introduce rollershutter invert flag.

Signed-off-by: Mark Herwege <mark.herwege@telenet.be>

* Add null annotations.

Signed-off-by: Mark Herwege <mark.herwege@telenet.be>

* Connection resilience improvements and log level cleanup.

Signed-off-by: Mark Herwege <mark.herwege@telenet.be>

* Update bundles/org.openhab.binding.nikohomecontrol/src/main/resources/OH-INF/thing/thing-types.xml

Signed-off-by: Fabian Wolter <github@fabian-wolter.de>

Co-authored-by: Fabian Wolter <github@fabian-wolter.de>

bundles/org.openhab.binding.nikohomecontrol/src/main/resources/OH-INF/thing/thing-types.xml

@@ -127,7 +127,7 @@
 				<description>Niko Home Control action ID</description>
 				<advanced>false</advanced>
 			</parameter>
-			<parameter name="step" type="integer" required="true">
+			<parameter name="step" type="integer">
 				<label>Step Value</label>
 				<description>Step value used for increase/decrease of dimmer brightness, default 10%</description>
 				<default>10</default>
@@ -151,6 +151,12 @@
 				<description>Niko Home Control action ID</description>
 				<advanced>false</advanced>
 			</parameter>
+			<parameter name="invert" type="boolean">
+				<label>Invert Direction</label>
+				<description>Invert rollershutter direction</description>
+				<default>false</default>
+				<advanced>true</advanced>
+			</parameter>
 		</config-description>
 	</thing-type>
 	<thing-type id="thermostat">