KEYCLOAK-15386 Some icons are not displayed properly

* pficon.woff/woff2 - updated PatternFly font resource
* pficon.css - css that contains @font-face rule
Signed-off-by: Peter Zaoral <pzaoral@redhat.com>

themes/src/main/resources/theme/keycloak/common/resources/lib/pficon/pficon.css

@@ -0,0 +1,21 @@
+/*!
+ * This folder contains updated PatternFly4 icons (version 2020.13).
+ * After the PF4 transition is finished this folder will be deleted.
+ */
+
+@font-face {
+  font-family: "pficon-tmp";
+  src: url("./pficon.woff2") format("woff2"), url("./pficon.woff") format("woff"); }
+
+.pf-icon-openshift:before {
+  font-family: "pficon-tmp";
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  font-style: normal;
+  font-variant: normal;
+  font-weight: normal;
+  text-decoration: none;
+  text-transform: none; }
+
+.pf-icon-openshift:before {
+  content: ""; }

themes/src/main/resources/theme/keycloak/login/theme.properties

@@ -2,7 +2,7 @@ parent=base
 import=common/keycloak
 
 styles=css/login.css
-stylesCommon=web_modules/@fortawesome/fontawesome-free/css/icons/all.css web_modules/@patternfly/react-core/dist/styles/base.css web_modules/@patternfly/react-core/dist/styles/app.css node_modules/patternfly/dist/css/patternfly.min.css node_modules/patternfly/dist/css/patternfly-additions.min.css
+stylesCommon=web_modules/@fortawesome/fontawesome-free/css/icons/all.css web_modules/@patternfly/react-core/dist/styles/base.css web_modules/@patternfly/react-core/dist/styles/app.css node_modules/patternfly/dist/css/patternfly.min.css node_modules/patternfly/dist/css/patternfly-additions.min.css lib/pficon/pficon.css
 
 meta=viewport==width=device-width,initial-scale=1