chore: Update copyright year from 2025 to 2026 across core files

- Updated copyright headers in 3,055 core application files
- Changed 'Copyright (C) 2014-2025' to 'Copyright (C) 2014-2026'
- Added 123 new files from EspoCRM core updates
- Removed 4 deprecated files
- Total changes: 61,637 insertions, 54,283 deletions

This is a routine maintenance update for the new year 2026.

data/.backup/upgrades/6984c60172a117840/files/client/res/templates/search/filter.tpl

@@ -0,0 +1,12 @@
+<div class="form-group">
+    <a
+        role="button"
+        tabindex="0"
+        class="remove-filter pull-right"
+        data-name="{{name}}"
+    >{{#unless notRemovable}}<i class="fas fa-times"></i>{{/unless}}</a>
+    <label class="control-label small" data-name="{{name}}">{{translate name category='fields' scope=scope}}</label>
+    <div class="field" data-name="{{name}}">{{{field}}}</div>
+</div>
+
+