fix(workflow): ensure variable updates only occur for matching selectors in updateNodeVars

web/app/components/workflow/nodes/_base/components/variable/utils.ts

           Object.keys(payload.tool_parameters).forEach((key) => {
             const value = payload.tool_parameters[key]
             const { type } = value
-            if (type === ToolVarType.variable) {
+            if (type === ToolVarType.variable && value.value.join('.') === oldVarSelector.join('.')) {
               payload.tool_parameters[key] = {
                 ...value,
                 value: newVarSelector,
           Object.keys(payload.datasource_parameters).forEach((key) => {
             const value = payload.datasource_parameters[key]
             const { type } = value
-            if (type === ToolVarType.variable) {
+            if (type === ToolVarType.variable && value.value.join('.') === oldVarSelector.join('.')) {
               payload.datasource_parameters[key] = {
                 ...value,
                 value: newVarSelector,