Change Item Card to use object contain by default for images (#1020)

* feat: add legacy image fit preference and adjustable image display in card component

* feat: add blurred bg image when object contain

* fix: add alt text for image and improve objectContain

frontend/composables/use-preferences.ts

@@ -23,6 +23,7 @@ export type LocationViewPreferences = {
     enabled: boolean;
   }[];
   displayLegacyHeader: boolean;
+  legacyImageFit: boolean;
   language?: string;
   overrideFormatLocale?: string;
   duplicateSettings: DuplicateSettings;
@@ -47,6 +48,7 @@ export function useViewPreferences(): Ref<LocationViewPreferences> {
       theme: "homebox",
       itemsPerTablePage: 10,
       displayLegacyHeader: false,
+      legacyImageFit: false,
       language: null,
       overrideFormatLocale: null,
       duplicateSettings: {