Fix: Update JSON decode struct to match current Arduino CLI config structure

Author: jmcclell

Diff for: ls/ls.go

@@ -1470,18 +1470,16 @@ func (ls *INOLanguageServer) extractDataFolderFromArduinoCLI(logger jsonrpc.Func
 		}
 
 		type cmdRes struct {
-			Config struct {
-				Directories struct {
-					Data string `json:"data"`
-				} `json:"directories"`
-			} `json:"config"`
+			Directories struct {
+				Data string `json:"data"`
+			} `json:"directories"`
 		}
 		var res cmdRes
 		if err := json.Unmarshal(cmdOutput.Bytes(), &res); err != nil {
 			return nil, errors.Errorf("parsing arduino-cli output: %s", err)
 		}
 		// Return only the build path
-		dataDir = res.Config.Directories.Data
+		dataDir = res.Directories.Data
 	}
 
 	logger.Logf("Arduino Data Dir -> %s", dataDir)