Feature/tci 1101 Photo attribution title on Hero banner (#821)

* H4 css added for Aside editor config

* Code refactored

* Signature title field added into twig

* Image signature title added

* TCI-1101--Signature title attribute added for Hero banner

* TCI-1101--Added null check for div

* removed z-index for photo attribution text

---------

Co-authored-by: Reshma Dhane <reshmaingavale@gmail.com>

source/_patterns/02-molecules/hero/_hero.scss

@@ -205,7 +205,7 @@ $_config: map-merge-by-keys($_config_schemes, base, $_config_schemes, $scheme);
   color: #F3F3F3;
   font-size: 9px;
   line-height: 22px;
-  font-family: Lato;
+  font-family: Lato, Helvetica, sans-serif;
 }
 
 .jcc-hero-tiles__background .jcc-signature-bottom-right {
@@ -216,6 +216,13 @@ $_config: map-merge-by-keys($_config_schemes, base, $_config_schemes, $scheme);
   transform: scale(-1, -1);
 }
 
+<<<<<<< HEAD
+.jcc-hero-tiles__background::before {
+  z-index : 0 !important;
+}
+
+=======
+>>>>>>> 2.x
 .jcc-hero-tiles__side .jcc-signature-bottom-right {
   bottom: 0;
   right: 95px;