MC-5790: Remove Reset Button From Slide Outs For All Content Types

- Updated test severity

Author: Hwashiang Yu

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderCommonTest.xml

@@ -1850,7 +1850,7 @@
             <stories value="Common Tests"/>
             <title value="Content Types edit form modal should not have reset button"/>
             <description value="If user opens edit form modal, they should not see reset button"/>
-            <severity value="CRITICAL"/>
+            <severity value="MAJOR"/>
             <useCaseId value="MC-5790"/>
             <testCaseId value="MC-5791"/>
             <group value="pagebuilder"/>