feat(useQuery): run placeholderData through select

fix structural sharing, in the options, we might also have the placeholderData function, but on the previous result, we have the correct result from the previous iteration, which we want to keep if possible

Author: TkDodo

src/core/queryObserver.ts

@@ -514,7 +514,7 @@ export class QueryObserver<
             placeholderData = options.select(placeholderData)
             if (options.structuralSharing !== false) {
               placeholderData = replaceEqualDeep(
-                prevResultOptions?.placeholderData,
+                prevResult?.data,
                 placeholderData
               )
             }