Need to check compatibility when checking plugin from custom repository (KT-25714)

There's no no range check is done on the server side for custom urls not
from IntelliJ plugins repository.

 #KT-25714 Fixed

idea/src/org/jetbrains/kotlin/idea/KotlinPluginUpdater.kt

@@ -212,8 +212,10 @@ class KotlinPluginUpdater(val propertiesComponent: PropertiesComponent) : Dispos
             return PluginUpdateStatus.fromException("Checking custom plugin repository $host failed", e)
         }
 
-        val kotlinPlugin =
-            plugins.find { it.pluginId == KotlinPluginUtil.KOTLIN_PLUGIN_ID } ?: return PluginUpdateStatus.LatestVersionInstalled
+        val kotlinPlugin = plugins.find { pluginDescriptor ->
+            pluginDescriptor.pluginId == KotlinPluginUtil.KOTLIN_PLUGIN_ID && PluginManagerCore.isCompatible(pluginDescriptor)
+        } ?: return PluginUpdateStatus.LatestVersionInstalled
+
         return updateIfNotLatest(kotlinPlugin, host)
     }