Flip the door over and repeat the process of removing the excess spline material and adding the wood putty.
How to fix a loose door panel.
Pull the swab out and slide the swab in between the masking tape and the exposed door panel.
To fix a loose drawbored joint drill peg holes to a slightly larger size using a doweling jig top then fill and re drill the holes with a slight offset bottom.
The most elegant fix.
Smack the wood until the door stop moves enough to touch the door.
This might sound expensive but if you scour the breakers yards and online auction websites you may find one cheaply.
Alternatively you can remove the door card and then working from the rear of the panel remove the fabric and then use a spray adhesive to affix the fabric back to the panel.
The simplest one is to order a replacement door card.
Then secure the door stop with 1 1 4 in.
Dip the cotton swab into the adhesive and slide it into the seam.
Shift the doorstop close the door and hold a block of wood against the doorstop.