Remove breadcrumbs for multistore homepage

When there are multiple different cms home pages with same identifier but for different store views, breadcrumbs are shown in all of them except the first.
The same applies for 404 pages.

Author: PingusPepan

app/code/Magento/Cms/Block/Page.php

@@ -124,16 +124,26 @@ protected function _prepareLayout()
      */
     protected function _addBreadcrumbs(\Magento\Cms\Model\Page $page)
     {
+        $homePageIdentifier = $this->_scopeConfig->getValue(
+            'web/default/cms_home_page',
+            ScopeInterface::SCOPE_STORE
+        );
+        $homePageDelimiterPosition = strrpos($homePageIdentifier, '|');
+        if ($homePageDelimiterPosition) {
+            $homePageIdentifier = substr($homePageIdentifier, 0, $homePageDelimiterPosition);
+        }
+        $noRouteIdentifier = $this->_scopeConfig->getValue(
+            'web/default/cms_no_route',
+            ScopeInterface::SCOPE_STORE
+        );
+        $noRouteDelimiterPosition = strrpos($noRouteIdentifier, '|');
+        if ($noRouteDelimiterPosition) {
+            $noRouteIdentifier = substr($noRouteIdentifier, 0, $noRouteDelimiterPosition);
+        }
         if ($this->_scopeConfig->getValue('web/default/show_cms_breadcrumbs', ScopeInterface::SCOPE_STORE)
             && ($breadcrumbsBlock = $this->getLayout()->getBlock('breadcrumbs'))
-            && $page->getIdentifier() !== $this->_scopeConfig->getValue(
-                'web/default/cms_home_page',
-                ScopeInterface::SCOPE_STORE
-            )
-            && $page->getIdentifier() !== $this->_scopeConfig->getValue(
-                'web/default/cms_no_route',
-                ScopeInterface::SCOPE_STORE
-            )
+            && $page->getIdentifier() !== $homePageIdentifier
+            && $page->getIdentifier() !== $noRouteIdentifier
         ) {
             $breadcrumbsBlock->addCrumb(
                 'home',