[Automatic Import] Fix Table width and Correct Data Stream Max Length (#270241)

This PR fixes the width of the table so that long data stream names will no longer extend table width beyond container and correctly adjusts allowed max character lengths allowed in data schema.

Author: robester0403

x-pack/platform/plugins/shared/automatic_import/public/common/lib/helper_functions.test.ts

@@ -197,11 +197,11 @@ describe('helper_functions', () => {
 
     it('should return true for names within limit', () => {
       expect(meetsMaxLength('ab')).toBe(true);
-      expect(meetsMaxLength('a'.repeat(256))).toBe(true);
+      expect(meetsMaxLength('a'.repeat(150))).toBe(true);
     });
 
-    it('should return false for names exceeding 256 characters', () => {
-      expect(meetsMaxLength('a'.repeat(257))).toBe(false);
+    it('should return false for names exceeding 150 characters', () => {
+      expect(meetsMaxLength('a'.repeat(151))).toBe(false);
     });
   });
 
@@ -211,7 +211,7 @@ describe('helper_functions', () => {
     });
 
     it('should have correct MAX_NAME_LENGTH', () => {
-      expect(MAX_NAME_LENGTH).toBe(256);
+      expect(MAX_NAME_LENGTH).toBe(150);
     });
   });
 });

x-pack/platform/plugins/shared/automatic_import/public/common/lib/helper_functions.ts

@@ -16,7 +16,7 @@ export function generateId(): string {
 
 // Validation constants matching elastic-package requirements
 export const MIN_NAME_LENGTH = 2;
-export const MAX_NAME_LENGTH = 256;
+export const MAX_NAME_LENGTH = 150;
 
 /**
  * Normalizes a title/name for use as an integration or data stream identifier.

x-pack/platform/plugins/shared/automatic_import/public/components/integration_management/forms/translations.ts

@@ -99,5 +99,5 @@ export const NAME_TOO_SHORT = i18n.translate('xpack.automaticImport.forms.nameTo
 });
 
 export const NAME_TOO_LONG = i18n.translate('xpack.automaticImport.forms.nameTooLong', {
-  defaultMessage: 'Name cannot exceed 256 characters',
+  defaultMessage: 'Name cannot exceed 150 characters',
 });

x-pack/platform/plugins/shared/automatic_import/public/components/integration_management/management_contents/data_streams/data_streams_table/data_steams_table.tsx

@@ -238,7 +238,7 @@ export const DataStreamsTable = ({
       <EuiBasicTable<DataStreamResponse>
         items={sortedItems}
         columns={dataStreamColumns}
-        tableLayout="auto"
+        tableLayout="fixed"
         tableCaption={i18n.DATA_STREAMS_TITLE}
         sorting={sorting}
         onChange={onTableChange}