Add aria-label attribute and column header to fix the aria-input-field-name and aria-command-name 508 issues (cBioPortal#5206)

* Add lang attribute to html element

* Remove lang from frontend repo

* Fix scrollable-region-focus-related issues

* Fix couple of label-related issues

* Fix all label-related issues

* Typo fixes in comments

* Fix select-name-related issues

* Fix aria-required-parent-related issues


---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Yizhen Chen <cheny39@nih.gov>

Author: 3 people

src/pages/studyView/resources/FilesAndLinks.tsx

@@ -301,7 +301,7 @@ export class FilesAndLinks extends React.Component<IFilesLinksTable, {}> {
             },
 
             {
-                ...this.getDefaultColumnConfig('resourceUrl', ''),
+                ...this.getDefaultColumnConfig('resourceUrl', 'Resource URL'),
                 render: (data: { [id: string]: string }) => {
                     return (
                         <div>

src/shared/components/plots/PlotsTab.tsx

@@ -4016,6 +4016,7 @@ export default class PlotsTab extends React.Component<IPlotsTabProps, {}> {
                         <label className="label-text">Data Type</label>
                         <div style={{ display: 'flex', alignItems: 'center' }}>
                             <ReactSelect
+                                aria-label="Data Type Dropdown"
                                 name={`${
                                     vertical ? 'v' : 'h'
                                 }-profile-type-selector`}