chore: drop-downs improvements and bug fixes (#3433)

* chore: dropdowns should close on selecting an option

* style: @plane/ui dropdown styling

* refactor: @plane/ui dropdowns

* fix: build errors

* fix: list layout dropdowns positioning

* fix: priority dropdown text in dark mode

web/components/headers/module-issues.tsx

@@ -183,7 +183,6 @@ export const ModuleIssuesHeader: React.FC = observer(() => {
                     </>
                   }
                   className="ml-1.5 flex-shrink-0"
-                  width="auto"
                   placement="bottom-start"
                 >
                   {projectModuleIds?.map((moduleId) => (