Cleaning settings page view (#3156)

* Making inputs consistent

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* Fixing hover effect in inputs

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* Adding separators to sidebar menu

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* Fine-tuning general section

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* Fine-tuning hidden metrics area

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* EntityIcon in Settings sidebar

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* Moving cluster icon settings on top

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* Shrink Apply button a big

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

src/renderer/components/+entity-settings/entity-settings.tsx

@@ -33,6 +33,7 @@ import { EntitySettingRegistry } from "../../../extensions/registries";
 import type { EntitySettingsRouteParams } from "../../../common/routes";
 import { groupBy } from "lodash";
 import { SettingLayout } from "../layout/setting-layout";
+import { HotbarIcon } from "../hotbar/hotbar-icon";
 
 interface Props extends RouteComponentProps<EntitySettingsRouteParams> {
 }
@@ -83,10 +84,19 @@ export class EntitySettings extends React.Component<Props> {
 
     return (
       <>
-        <h2>{this.entity.metadata.name}</h2>
+        <div className="flex items-center pb-8">
+          <HotbarIcon
+            uid={this.entity.metadata.uid}
+            title={this.entity.metadata.name}
+            source={this.entity.metadata.source}
+            src={this.entity.spec.icon?.src}
+          />
+          <h2>{this.entity.metadata.name}</h2>
+        </div>
         <Tabs className="flex column" scrollable={false} onChange={this.onTabChange} value={this.activeTab}>
           { groups.map((group, groupIndex) => (
             <React.Fragment key={`group-${groupIndex}`}>
+              <hr/>
               <div className="header">{group[0]}</div>
               { group[1].map((setting, index) => (
                 <Tab