fix(app): correct the connection nagbar button styling (#2428)

fluxer_app/src/features/app/components/layout/NagbarButton.module.css

@@ -3,5 +3,5 @@
 .button {
 	font-weight: 600;
 	-webkit-app-region: no-drag;
-	color: var(--nagbar-background-color, inherit);
+	--button-inverted-text: var(--nagbar-background-color, inherit);
 }

fluxer_app/src/features/app/components/layout/app_layout/nagbars/ConnectionNagbar.tsx

@@ -93,7 +93,6 @@ export const ConnectionNagbar = observer(({isMobile, rememberedRows}: Connection
 		return (
 			<NagbarButton
 				isMobile={isMobile}
-				variant="ghost"
 				onClick={handleOpenActionUrl}
 				disabled={false}
 				submitting={false}
@@ -110,7 +109,6 @@ export const ConnectionNagbar = observer(({isMobile, rememberedRows}: Connection
 		return (
 			<NagbarButton
 				isMobile={isMobile}
-				variant="ghost"
 				onClick={handleSwitchAccount}
 				disabled={false}
 				submitting={false}