20260826.6

• Clarify what uninstalling an app deletes (@agners - #53923)
• Fix websocket hang in picture card (@karwosts - #53930)
• Hide empty labels row in more-info related view (@piitaya - #53939)
• Check if failed import is from us, or from user, and check if chunck 404's (@bramkragten - #53940)
• History: Fix "add targets" on empty state (@wendevlin - #53953)
• Only select ha-input-copy text on click when readonly (@piitaya - #53959)