feat: support shortest response time lb and least connection loadbalancer

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/loadbalancer/PolarisLoadBalancerClientConfiguration.java

@@ -164,7 +164,7 @@ public class PolarisLoadBalancerClientConfiguration {
 		@Override
 		public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
 			return LoadBalancerEnvironmentPropertyUtils.equalToOrMissingForClientOrDefault(context.getEnvironment(),
-					"strategies", "default");
+					"strategies", "polarisWeightedRoundRobin");
 		}
 	}
 
@@ -172,7 +172,7 @@ public class PolarisLoadBalancerClientConfiguration {
 
 		@Override
 		public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
-			return LoadBalancerEnvironmentPropertyUtils.equalToOrMissingForClientOrDefault(context.getEnvironment(),
+			return LoadBalancerEnvironmentPropertyUtils.equalToForClientOrDefault(context.getEnvironment(),
 					"strategies", "polarisShortestResponseTime");
 		}
 	}
@@ -181,7 +181,7 @@ public class PolarisLoadBalancerClientConfiguration {
 
 		@Override
 		public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
-			return LoadBalancerEnvironmentPropertyUtils.equalToOrMissingForClientOrDefault(context.getEnvironment(),
+			return LoadBalancerEnvironmentPropertyUtils.equalToForClientOrDefault(context.getEnvironment(),
 					"strategies", "polarisLeastConnection");
 		}
 	}

spring-cloud-starter-tencent-polaris-discovery/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -162,7 +162,7 @@
     {
       "name": "spring.cloud.loadbalancer.strategy",
       "type": "java.lang.String",
-      "defaultValue": "roundRobin",
+      "defaultValue": "polarisWeightedRoundRobin",
       "description": "loadbalancer strategy."
     },
     {
@@ -176,6 +176,10 @@
     {
       "name": "spring.cloud.loadbalancer.strategy",
       "values": [
+        {
+          "value": "polarisWeightedRoundRobin",
+          "description": "polaris weighted round robin load balancer."
+        },
         {
           "value": "roundRobin",
           "description": "round robin load balancer."