fix(Tile): do not default to SVGImage to true otherwise it doesn't work with standard svg (#327)

* fix(Tile): do not default to SVGImage to true otherwise it doesn't work with standard svg

* Apply suggestions from code review

Co-authored-by: Joseph Garrone <joseph.garrone.gj@gmail.com>
Signed-off-by: Caroline <4971715+carolineBda@users.noreply.github.com>

---------

Signed-off-by: Caroline <4971715+carolineBda@users.noreply.github.com>
Co-authored-by: Joseph Garrone <joseph.garrone.gj@gmail.com>

Author: carolineBda

src/Tile.tsx

@@ -91,7 +91,7 @@ export const Tile = memo(
             imageAlt,
             imageWidth,
             imageHeight,
-            imageSvg = true,
+            imageSvg = false,
             orientation = "vertical",
             small = false,
             noBorder = false,

stories/Tile.stories.tsx

@@ -111,8 +111,9 @@ const { meta, getStory } = getStoryFactory({
             }
         },
         "imageSvg": {
-            "description": "Set to true if the image is a SVG.",
-            "defaultValue": true,
+            "description":
+                "Set to true if the image is type of SVG [Pictogramme DSFR](https://www.systeme-de-design.gouv.fr/fondamentaux/pictogramme/) compliant.",
+            "defaultValue": false,
             "control": {
                 "type": "boolean"
             },