Yet another fellow Hilton employee here

Be sure to also check the new Hampton 'convention center', it's near Toy Story lot as well just on the Katella side not Harbor. You can enter Toy Story (walking) from both Katella or Harbor now so that makes it easier.
It can be confusing- just remember to
check address very carefully when booking as there are both older properties in Garden Grove and newer ones closer to Disney. Hotels love to use major city names in property title which can even cause more confusion.
Hampton Anaheim-
https://www.hilton.com/en/hotels/anaachx-hampton-suites-anaheim-resort-convention-center/
Homewood Suites Anaheim - (again, 'convention center' not Garden Grove) is also a great choice next to Toy Story on Harbor side.
https://www.hilton.com/en/hotels/anadlhw-homewood-suites-anaheim-resort-convention-center/
Hampton upper right, Homewood in lower left of screenshot:
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