Rename the color tags "Filters" tab and column to "Pattern" (FR: "Motif de recherche")

Only the color highlight rules are renamed: the Settings tab, the codes
column of the log list and the docs. Real filters (source, severity,
range, search) keep their name. The internal "filters" tab id is kept so
the saved settings tab still opens.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

docs/presets.md

@@ -2,7 +2,7 @@
 
 # Color tag presets
 
-In **Settings › Filters**, the **+ Preset…** menu adds a group of ready-made color tags in one
+In **Settings › Pattern**, the **+ Preset…** menu adds a group of ready-made color tags in one
 click. Added tags are ordinary tags: you can change their color, pattern or options, or delete
 them. A tag whose pattern is already in the list is not added twice.