Update default cover images to use jpg

Author: rsmithlal

app/assets/images/cover_images/default_cover_image_community.jpg

@@ -12,8 +12,8 @@ def cover_image_tag(entity, options = {}) # rubocop:todo Metrics/MethodLength, M
       image_width = options[:width] || 2400
       image_height = options[:height] || 600
       image_format = options[:format] || 'jpg'
-      image_alt = options[:alt] || 'Default Cover Image'
-      image_title = options[:title] || 'Default Cover Image'
+      image_alt = options[:alt] || 'Cover Image'
+      image_title = options[:title] || 'Cover Image'
       image_tag_attributes = {
         class: image_classes,
         style: image_style,
@@ -48,8 +48,8 @@ def profile_image_tag(entity, options = {}) # rubocop:todo Metrics/MethodLength,
       image_style = (options[:style]).to_s
       image_size = options[:size] || 300
       image_format = options[:format] || 'jpg'
-      image_alt = options[:alt] || 'Default Cover Image'
-      image_title = options[:title] || 'Default Cover Image'
+      image_alt = options[:alt] || 'Profile Image'
+      image_title = options[:title] || 'Profile Image'
       image_tag_attributes = {
         class: image_classes,
         style: image_style,

app/assets/images/cover_images/default_cover_image_community.png

@@ -7,7 +7,7 @@
   <div class="profile-header position-relative">
     <!-- Cover Image Section -->
     <div class="cover-image-container">
-      <%= cover_image_tag(@resource, format: 'png') %>
+      <%= cover_image_tag(@resource) %>
     </div>
 
     <div class="profile-image-wrapper">

app/assets/images/cover_images/default_cover_image_generic.jpg

@@ -8,7 +8,7 @@
   <div class="profile-header position-relative">
     <!-- Cover Image Section -->
     <div class="cover-image-container">
-      <%= cover_image_tag(@person, format: 'png') %>
+      <%= cover_image_tag(@person) %>
     </div>
 
     <div class="profile-image-wrapper">

app/assets/images/cover_images/default_cover_image_generic.png

@@ -8,7 +8,7 @@
   <div class="profile-header position-relative">
     <!-- Cover Image Section -->
     <div class="cover-image-container">
-      <%= cover_image_tag(@platform, format: 'png') %>
+      <%= cover_image_tag(@platform) %>
     </div>
 
     <div class="profile-image-wrapper">