Make Title and Subtitle Optional in UpWindowAngularComponent

[lucasferreiralimax]

This pull request modifies the UpWindowAngularComponent to make the title and subtitle inputs optional. This change enhances the flexibility of the component, allowing it to be used in scenarios where these elements may not be necessary.

Changes Made

• Updated the @Input properties for title and subtitle to allow undefined values, making them optional.
• Added conditional rendering for the title and subtitle in the template, ensuring that the corresponding HTML elements are only generated when values are provided.

Code Snippet

// In up-window-angular.component.ts
@Input() title?: string; // Now optional
@Input() subtitle?: string; // Now optional

@if(title || subtitle) {
    <div class="up-window-header">
      @if(title) {
        <h3 id="dialog-title" class="up-window-title">{{ title }}</h3>
      }

      @if(subtitle) {
        <h4 id="dialog-description" class="up-window-subtitle">
          {{ subtitle }}
        </h4>
      }
    </div>
  }

Testing

• Verified that the component functions correctly without a title or subtitle.
• Confirmed that existing functionality remains intact and unaffected by these changes.

[github-actions]

Visit the preview URL for this PR (updated for commit 356036a):

https://up-window-angular--pr9-titles-optionals-08rqoz36.web.app

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