UX code mirror button colors (#1792)

portal-ui/src/screens/Console/Common/FormComponents/CodeMirrorWrapper/CodeMirrorWrapper.tsx

@@ -219,6 +219,7 @@ const CodeMirrorWrapper = ({
           }}
         >
           <Box
+            className={isDarkTheme ? "dark-theme" : ""}
             sx={{
               display: "flex",
               alignItems: "center",
@@ -233,6 +234,10 @@ const CodeMirrorWrapper = ({
                   marginLeft: "0",
                 },
               },
+
+              "&.dark-theme button": {
+                background: "#FFFFFF",
+              },
             }}
           >
             <RBIconButton