refactor: update universalReceiver event in lsp0 & lsp9

Author: skimaharvey

contracts/LSP0ERC725Account/LSP0ERC725AccountCore.sol

@@ -120,7 +120,7 @@ abstract contract LSP0ERC725AccountCore is
      *
      * 2. If the data sent to this function is of length less than 4 bytes (not a function selector), return.
      *
-     * @custom:events {UniversalReceiver} event when receiving native tokens.
+     * @custom:events {UniversalReceiver} event when receiving native tokens and extension function selector is not found or not payable.
      */
     // solhint-disable-next-line no-complex-fallback
     fallback(
@@ -198,7 +198,7 @@ abstract contract LSP0ERC725AccountCore is
                 msg.sender,
                 msg.value,
                 _TYPEID_LSP0_VALUE_RECEIVED,
-                "",
+                abi.encodePacked(msg.sig),
                 ""
             );
         }
@@ -262,7 +262,7 @@ abstract contract LSP0ERC725AccountCore is
                 msg.sender,
                 msg.value,
                 _TYPEID_LSP0_VALUE_RECEIVED,
-                "",
+                abi.encodePacked(msg.sig),
                 ""
             );
         }
@@ -321,7 +321,7 @@ abstract contract LSP0ERC725AccountCore is
                 msg.sender,
                 msg.value,
                 _TYPEID_LSP0_VALUE_RECEIVED,
-                "",
+                abi.encodePacked(msg.sig),
                 ""
             );
         }
@@ -364,7 +364,7 @@ abstract contract LSP0ERC725AccountCore is
                 msg.sender,
                 msg.value,
                 _TYPEID_LSP0_VALUE_RECEIVED,
-                "",
+                abi.encodePacked(msg.sig),
                 ""
             );
         }

contracts/LSP9Vault/LSP9VaultCore.sol

@@ -122,7 +122,7 @@ contract LSP9VaultCore is
      *
      * 2. If the data sent to this function is of length less than 4 bytes (not a function selector), return.
      *
-     * @custom:events {UniversalReceiver} event when receiving native tokens.
+     * @custom:events {UniversalReceiver} event when receiving native tokens and extension function selector is not found or not payable.
      */
     // solhint-disable-next-line no-complex-fallback
     fallback(
@@ -202,7 +202,7 @@ contract LSP9VaultCore is
                 msg.sender,
                 msg.value,
                 _TYPEID_LSP9_VALUE_RECEIVED,
-                "",
+                abi.encodePacked(msg.sig),
                 ""
             );
         }
@@ -237,7 +237,7 @@ contract LSP9VaultCore is
                 msg.sender,
                 msg.value,
                 _TYPEID_LSP9_VALUE_RECEIVED,
-                "",
+                abi.encodePacked(msg.sig),
                 ""
             );
         }

docs/contracts/LSP0ERC725Account/LSP0ERC725Account.md

@@ -110,7 +110,7 @@ This function is executed when:
 
 **Emitted events:**
 
-- [`UniversalReceiver`](#universalreceiver) event when receiving native tokens.
+- [`UniversalReceiver`](#universalreceiver) event when receiving native tokens and extension function selector is not found or not payable.
 
 </blockquote>
 

docs/contracts/LSP9Vault/LSP9Vault.md

@@ -96,7 +96,7 @@ This function is executed when:
 
 **Emitted events:**
 
-- [`UniversalReceiver`](#universalreceiver) event when receiving native tokens.
+- [`UniversalReceiver`](#universalreceiver) event when receiving native tokens and extension function selector is not found or not payable.
 
 </blockquote>