1031 workflows menu fixes (#12618)

## Before (not exhaustive)
<img width="520" alt="image"
src="https://github.com/user-attachments/assets/642365c5-f359-4ad3-8ba3-d7bb9c7d91e4"
/>
<img width="522" alt="image"
src="https://github.com/user-attachments/assets/0819717f-84c6-436c-b9f4-20a1964cd565"
/>
<img width="528" alt="image"
src="https://github.com/user-attachments/assets/240bf181-ec37-4e25-9fdb-c264a680abcc"
/>
<img width="525" alt="image"
src="https://github.com/user-attachments/assets/0dfd55c1-dfbd-47ee-8741-977b5e57fa0a"
/>


## After (not exhaustive)
<img width="511" alt="image"
src="https://github.com/user-attachments/assets/199b6e6e-be1d-4b75-8df6-d65ff05bee58"
/>
<img width="512" alt="image"
src="https://github.com/user-attachments/assets/a92f67a8-ed58-4c4f-b401-07765158030f"
/>
<img width="522" alt="image"
src="https://github.com/user-attachments/assets/ba3ae73a-4650-4f7f-a62a-980e6a2d21d1"
/>
<img width="518" alt="image"
src="https://github.com/user-attachments/assets/97946870-4fba-4898-8381-9087df0b9ac4"
/>

packages/twenty-front/src/modules/ui/field/input/components/MultiSelectInput.tsx

@@ -25,6 +25,7 @@ type MultiSelectInputProps = {
   onCancel?: () => void;
   options: SelectOption[];
   onOptionSelected: (value: FieldMultiSelectValue) => void;
+  dropdownWidth?: number;
 };
 
 export const MultiSelectInput = ({
@@ -34,6 +35,7 @@ export const MultiSelectInput = ({
   hotkeyScope,
   onCancel,
   onOptionSelected,
+  dropdownWidth,
 }: MultiSelectInputProps) => {
   const { resetSelectedItem } = useSelectableList(
     selectableListComponentInstanceId,
@@ -102,7 +104,11 @@ export const MultiSelectInput = ({
       selectableItemIdArray={optionIds}
       hotkeyScope={hotkeyScope}
     >
-      <DropdownContent ref={containerRef} selectDisabled>
+      <DropdownContent
+        ref={containerRef}
+        selectDisabled
+        widthInPixels={dropdownWidth}
+      >
         <DropdownMenuSearchInput
           value={searchFilter}
           onChange={(event) =>