Update max supported layer count (opensearch-project#332) (opensearch…

…-project#334)

Since layer panel has scroll bar, we can
allow user to add up to 100.
Later, this will be moved to map settings.

Signed-off-by: Vijayan Balasubramanian <balasvij@amazon.com>
(cherry picked from commit d0f9e7b)

Co-authored-by: Vijayan Balasubramanian <vijayan.balasubramanian@gmail.com>

common/index.ts

@@ -57,7 +57,7 @@ export const MAP_LAYER_DEFAULT_NAME = 'Default map';
 export const MAP_LAYER_DEFAULT_OPACITY_STEP = 1;
 export const MAP_REFERENCE_LAYER_DEFAULT_OPACITY = 100;
 // Make this configurable from map settings
-export const MAX_LAYER_LIMIT = 20;
+export const MAX_LAYER_LIMIT = 100;
 export const MAX_LAYER_NAME_LIMIT = 35;
 export const MAX_LONGITUDE = 180;
 export const MIN_LONGITUDE = -180;