Revert "Plugins: Update PDC pattern from latest plugin SDK changes" (#76565)

Revert "Plugins: Update PDC pattern from latest plugin SDK changes (#76036)"

This reverts commit 151f6d6216.

pkg/setting/setting_secure_socks_proxy.go

@@ -3,6 +3,7 @@ package setting
 import (
 	"errors"
 
+	sdkproxy "github.com/grafana/grafana-plugin-sdk-go/backend/proxy"
 	"gopkg.in/ini.v1"
 )
 
@@ -42,5 +43,21 @@ func readSecureSocksDSProxySettings(iniFile *ini.File) (SecureSocksDSProxySettin
 		return s, errors.New("proxy address required")
 	}
 
+	setDefaultProxyCli(s)
+
 	return s, nil
 }
+
+// setDefaultProxyCli overrides the default proxy cli for the sdk
+//
+// Note: Not optimal changing global state, but hard to not do in this case.
+func setDefaultProxyCli(cfg SecureSocksDSProxySettings) {
+	sdkproxy.Cli = sdkproxy.NewWithCfg(&sdkproxy.ClientCfg{
+		Enabled:      cfg.Enabled,
+		ClientCert:   cfg.ClientCert,
+		ClientKey:    cfg.ClientKey,
+		ServerName:   cfg.ServerName,
+		RootCA:       cfg.RootCA,
+		ProxyAddress: cfg.ProxyAddress,
+	})
+}