Fixed #9299: Use correct SVG MIME type for uploads (#9300)

The correct MIME type of SVG is image/svg+xml. Out of an abundance of
caution, I am leaving in image/svg to avoid potentially causing issues
on very old browsers, but this can likely be removed without issue.

resources/views/partials/forms/edit/image-upload.blade.php

@@ -6,7 +6,7 @@
 
         <label class="btn btn-default" aria-hidden="true">
             {{ trans('button.select_file')  }}
-            <input type="file" name="{{ (isset($fieldname) ? $fieldname : 'image') }}" class="js-uploadFile" id="uploadFile" data-maxsize="{{ \App\Helpers\Helper::file_upload_max_size() }}" accept="image/gif,image/jpeg,image/webp,image/png,image/svg" style="display:none; max-width: 90%" aria-label="image" aria-hidden="true">
+            <input type="file" name="{{ (isset($fieldname) ? $fieldname : 'image') }}" class="js-uploadFile" id="uploadFile" data-maxsize="{{ \App\Helpers\Helper::file_upload_max_size() }}" accept="image/gif,image/jpeg,image/webp,image/png,image/svg,image/svg+xml" style="display:none; max-width: 90%" aria-label="image" aria-hidden="true">
         </label>
         <span class='label label-default' id="uploadFile-info"></span>
 

resources/views/partials/forms/edit/uploadLogo.blade.php

@@ -35,7 +35,7 @@
             {{ trans('button.select_file')  }}
             <input type="file" name="{{ $logoVariable }}" class="js-uploadFile" id="{{ $logoId }}"
                 data-maxsize="{{ $maxSize ?? \App\Helpers\Helper::file_upload_max_size() }}"
-                accept="{{ $allowedTypes ?? 'image/gif,image/jpeg,image/png,image/svg'}}" style="display:none; max-width: 90%">
+                accept="{{ $allowedTypes ?? 'image/gif,image/jpeg,image/png,image/svg,image/svg+xml'}}" style="display:none; max-width: 90%">
         </label>
         <span class='label label-default' id="{{ $logoId }}-info"></span>
 

resources/views/settings/branding.blade.php

@@ -105,7 +105,7 @@
                         "logoLabel" => trans('admin/settings/general.favicon'),
                         "logoClearVariable" => "clear_favicon",
                         "helpBlock" => trans('admin/settings/general.favicon_size') .' '. trans('admin/settings/general.favicon_format'),
-                        "allowedTypes" => "image/x-icon,image/gif,image/jpeg,image/png,image/svg,image/vnd.microsoft.icon",
+                        "allowedTypes" => "image/x-icon,image/gif,image/jpeg,image/png,image/svg,image/svg+xml,image/vnd.microsoft.icon",
                         "maxSize" => 20000
                     ])