Fix the feature tests which were failing after the accessibility commit.

The reason being, the span elements which was used to show properties tab
data are changed to input now as per accessibility requirements.

web/regression/feature_utils/pgadmin_page.py

@@ -977,7 +977,7 @@ class PgadminPage:
         def element_if_it_exists(driver):
             try:
                 element = find_method_with_args(driver)
-                if element.is_displayed() and element.is_enabled():
+                if element.is_displayed():
                     return True
             except (NoSuchElementException, StaleElementReferenceException):
                 return False