[Autocomplete] Select option not scroll drop list to defaultValue of first open

[temaivanoff]

Tech	Version
Material-UI	v4.9.3
React	v16.12.0
Browser	Chrome
TypeScript
etc.

Hi, please, look at the gif with the problem:

[oliviertassinari]

Here is a proposed solution for #19637, #19779, and #19637. Let us know if it works for your use case!

diff --git a/packages/material-ui-lab/src/Autocomplete/Autocomplete.test.js b/packages/material-ui-lab/src/Autocomplete/Autocomplete.test.js
index bd9dc472f..c71b1b88f 100644
--- a/packages/material-ui-lab/src/Autocomplete/Autocomplete.test.js
+++ b/packages/material-ui-lab/src/Autocomplete/Autocomplete.test.js
@@ -757,7 +757,6 @@ describe('<Autocomplete />', () => {
         />,
       );

-      fireEvent.keyDown(document.activeElement, { key: 'ArrowDown' });
       fireEvent.keyDown(document.activeElement, { key: 'ArrowDown' });
       fireEvent.keyDown(document.activeElement, { key: 'Enter' });

diff --git a/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.js b/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.js
index 9957ed76d..2200b20c1 100644
--- a/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.js
+++ b/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.js
@@ -396,6 +396,32 @@ export default function useAutocomplete(props) {
     changeHighlightedIndex('reset', 'next');
   }, [inputValue]); // eslint-disable-line react-hooks/exhaustive-deps

+  React.useEffect(() => {
+    if (!open) {
+      return;
+    }
+
+    const valueItem = multiple ? value[0] : value;
+
+    if (filteredOptions.length === 0 || valueItem == null) {
+      changeHighlightedIndex('reset', 'next');
+      return;
+    }
+
+    if (!filterSelectedOptions && valueItem != null) {
+      const itemIndex = findIndex(filteredOptions, optionItem =>
+        getOptionSelected(optionItem, valueItem),
+      );
+
+      setHighlightedIndex(itemIndex);
+      return;
+    }
+
+    if (highlightedIndexRef.current >= filteredOptions.length - 1) {
+      setHighlightedIndex(filteredOptions.length - 1);
+    }
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [value, open, filterSelectedOptions, multiple]);
+
   const handleOpen = event => {
     if (open) {
       return;

We will probably need to add one test case per issue for this logic (corresponding to each issue).

[captain-yossarian]

@fast0490f @oliviertassinari I will pick it up if you don't mind