feat(web2): EAP-TLS Enterprise certificate support frontend (#4895)

* feat: add frontend support for eap-tls

* fix: add private directive in front of NM_SECRET_FLAGS_NOT_REQUIRED

* refactor: added Optional to CA-Cert

* refactor: removed extra new line

* refactor: change private key -> public private key pair

* refactor: change private key -> public private key pair

* refactor: removed wrapping around PLACEHOLDER

* refactor: removed escaping on set value

* fix: removed magic var boolean check

* fix: PLACEHOLDER to use one built into password field

* fix: minor change to where UI validation is setup

* refactor: changed Ui with @marcellorinaldo to match TabWireless

* fix: re-enabled CA-Cert for TTLS AND PEAP

kura/org.eclipse.kura.nm/src/main/java/org/eclipse/kura/nm/configuration/NMSettingsConverter.java

@@ -67,7 +67,7 @@ public class NMSettingsConverter {
     private static final String KURA_PROPS_KEY_WIFI_MODE = "net.interface.%s.config.wifi.mode";
     private static final String KURA_PROPS_KEY_WIFI_SECURITY_TYPE = "net.interface.%s.config.wifi.%s.securityType";
 
-    static final UInt32 NM_SECRET_FLAGS_NOT_REQUIRED = new UInt32(4);
+    private static final UInt32 NM_SECRET_FLAGS_NOT_REQUIRED = new UInt32(4);
 
     private NMSettingsConverter() {
         throw new IllegalStateException("Utility class");