Import Observed Data with Dates and Well Vectors fails

[ray63]

possibly related to #11430 and #11414

Unable to import observed data using "DATE"

	SUMMARY OF RUN TEST_NEW_MODEL_1                                                                                                                                                                                                                                                                                                                                                                                                                                                          	
 	DATE        	WGPR       	WGPR       
 	            	MSCF/DAY    	MSCF/DAY    
 	            	WM03        	WM04        
 	            	            	            

	 11-MAY-1985	           0	           0	    
	 01-JUN-1985	           0	           0	    
	 27-JUN-1985	    356.5585	          100	    
	 01-JUL-1985	    394.9181	           20	    
	 13-JUL-1985	    681.3253	           30	    
	 28-JUL-1985	    955.8238	           40	    
	 01-AUG-1985	    1030.183	           0	    
	 13-AUG-1985	    678.3828	           0	    
	 30-AUG-1985	    769.8534	           0	    

"errors detected during import / Number of quantities is different from number of units"

Changing date to time imports successfully

	SUMMARY OF RUN TEST_NEW_MODEL_1                                                                                                                                                                                                                                                                                                                                                                                                                                                          	
 	TIME        	WGPR       	WGPR       
 	DAYS         	MSCF/DAY    	MSCF/DAY    
 	            	WM03        	WM04        
	 1	           0	           0	    
	 21	           0	           0	    
	 37	    356.5585	          100	    
	 41	    394.9181	           20	    
	 63	    681.3253	           30	    
	 78	    955.8238	           40	    
	 81	    1030.183	           0	    
	 93	    678.3828	           0	    
	 130	    769.8534	           0	

I've tried various combinations, and the issue appears related to including different wells with the date format.