refactor: standardize frontend

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

src/models/provider.ts

@@ -14,7 +14,7 @@ export class ProviderObject implements ProviderInterface {
     constructor() {
         this._data = {
             '@type': 'people:provider',
-            id: '',
+            identifier: '',
             label: '',
             capabilities: {},
         };
@@ -30,9 +30,10 @@ export class ProviderObject implements ProviderInterface {
     }
 
     capable(capability: keyof ProviderCapabilitiesInterface): boolean {
-            return !!(this._data.capabilities && this._data.capabilities[capability]);
-        }
-    
+        const value = this._data.capabilities?.[capability];
+        return value !== undefined && value !== false;
+    }
+
     capability(capability: keyof ProviderCapabilitiesInterface): any | null {
         if (this._data.capabilities) {
             return this._data.capabilities[capability];
@@ -46,8 +47,8 @@ export class ProviderObject implements ProviderInterface {
         return this._data['@type'];
     }
 
-    get id(): string {
-        return this._data.id;
+    get identifier(): string {
+        return this._data.identifier;
     }
 
     get label(): string {
@@ -58,4 +59,4 @@ export class ProviderObject implements ProviderInterface {
         return this._data.capabilities;
     }
 
-}
+}