Upgrade EUI to v91.0.0 (with backports)

examples/discover_customization_examples/public/plugin.tsx

@@ -213,7 +213,6 @@ export class DiscoverCustomizationExamplesPlugin implements Plugin {
                       {currentSavedSearch.title ?? 'None selected'}
                     </EuiButton>
                   }
-                  anchorClassName="eui-fullWidth"
                   isOpen={isPopoverOpen}
                   panelPaddingSize="none"
                   closePopover={closePopover}
@@ -280,7 +279,6 @@ export class DiscoverCustomizationExamplesPlugin implements Plugin {
                       {currentSavedSearch.title ?? 'None selected'}
                     </EuiButton>
                   }
-                  anchorClassName="eui-fullWidth"
                   isOpen={isPopoverOpen}
                   panelPaddingSize="none"
                   closePopover={closePopover}

package.json

@@ -102,7 +102,7 @@
     "@elastic/datemath": "5.0.3",
     "@elastic/elasticsearch": "npm:@elastic/[email protected]",
     "@elastic/ems-client": "8.5.1",
-    "@elastic/eui": "90.0.1-backport.0",
+    "@elastic/eui": "91.0.0-backport.0",
     "@elastic/filesaver": "1.1.2",
     "@elastic/node-crypto": "1.2.1",
     "@elastic/numeral": "^2.5.1",

packages/core/i18n/core-i18n-browser-internal/src/i18n_eui_mapping.tsx

@@ -1434,7 +1434,7 @@ export const getEuiContextMapping = (): EuiTokensObject => {
     ),
     'euiAbsoluteTab.dateFormatError': ({ dateFormat }: EuiValues) =>
       i18n.translate('core.euiAbsoluteTab.dateFormatError', {
-        defaultMessage: 'Expected format: {dateFormat}',
+        defaultMessage: 'Allowed formats: {dateFormat}, ISO 8601, RFC 2822, or Unix timestamp.',
         values: { dateFormat },
       }),
     'euiRelativeTab.fullDescription': ({ unit }: EuiValues) =>
@@ -1454,6 +1454,9 @@ export const getEuiContextMapping = (): EuiTokensObject => {
     'euiRelativeTab.dateInputError': i18n.translate('core.euiRelativeTab.dateInputError', {
       defaultMessage: 'Must be a valid range',
     }),
+    'euiAbsoluteTab.dateFormatHint': i18n.translate('core.euiAbsoluteTab.dateFormatHint', {
+      defaultMessage: 'Press the Enter key to parse as a date.',
+    }),
     'euiResizableButton.horizontalResizerAriaLabel': i18n.translate(
       'core.euiResizableButton.horizontalResizerAriaLabel',
       {