add resize_unchecked method to account info

Author: stegaBOB

sdk/pinocchio/src/account_info.rs

@@ -495,6 +495,25 @@ impl AccountInfo {
         // Check wheather the account data is already borrowed.
         self.can_borrow_mut_data()?;
 
+        // SAFETY:
+        // We are checking if the account data is already borrowed, so we are safe to call
+        unsafe {
+            self.resize_unchecked(new_len)?;
+        }
+
+        Ok(())
+    }
+
+    /// Resizes the account's data and udpates the resize delta without checking if the account is already borrowed.
+    ///
+    /// The account data can be increased by up to [`MAX_PERMITTED_DATA_INCREASE`] bytes
+    ///
+    /// # Safety
+    ///
+    /// This method is unsafe because it does not check if the account data is already
+    /// borrowed.
+    #[inline(always)]
+    pub unsafe fn resize_unchecked(&self, new_len: usize) -> Result<(), ProgramError> {
         // Account length is always `< i32::MAX`...
         let current_len = self.data_len() as i32;
         // ...so the new length must fit in an `i32`.