Position data is lost when adding new cards

[OliPassey]

Checklist:

• [Y] I updated to the latest version available
• [Y] I cleared the cache of my browser

Release with the issue:
Latest - HACS Addition

Last working release (if known):
None - bug present for me since first release

Browser and Operating System:
Chrome, Windows 10 x64 Professional
Version 87.0.4280.88 (Official Build) (64-bit)

Description of problem:

I am able to create and save a layout that persists across refreshes, reboots etc - all fine.
But when i add a new card, it is added in the top left corner and nearly all cards are re-arranged requiring the whole layout to be repositioned and saved. This happens everytime.
Saved Layout:

After clicking edit dashboard:

After adding an entity (sun position):

After clicking Save Layout:

Javascript errors shown in the web inspector (if applicable):

Additional information:

[zsarnett]

Thanks for reporting. Doesn't everyone like when adding a new card destroys their dashboard 🤔 Will fix this asap

[OliPassey]

Thanks! Really loving the functionality here, it'll make things so much easier in the long-term.