Floating UI: Memoize problematic downshift prop getters to prevent infinite loops

[tay1orjones]

There's a longstanding interop issue between floating ui and downshift where in certain cases when setting a ref an infinite loop can happen causing the component to crash.

The solution is to memoize the result of downshift's getMenuProps(). We've already had to do this for two components, we should expand this solution out to all the rest of the downshift components.

Tasks

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1. fix(combobox): memoize floating ui ref to prevent max call depth #16866
   status: ready to merge 🎉 +1
2. fix(dropdown): memoize floating ui ref to prevent max call depth #17002
   status: ready to merge 🎉 +1
3. Floating UI: Memoize MultiSelect floating ui ref in to prevent max call depth #17020
   component: multiselect +1
   
4. Floating UI: Memoize FilterableMultiSelect floating ui ref in to prevent max call depth #17021
   component: filterable-multiselect +1