Affected places: graphs, graph prototypes, host prototypes, discovery prototypes

Steps to reproduce:

Case 1 (7.0):

1. Open Graph prototypes page 
2. Select select one or more prototypes
3. Click on "Discover" column link "Yes/No"

Result:

Checkboxes remain selected

Expected:
All checkboxes unselected.
Case 2 (7.4):

1. Open Graphs page 
2. Select select one or more prototypes
3. Create new graphs, or update or delete existed one

Result:

Checkboxes remain selected

After deletion we see incorrect "n selected" value.

Expected:
All checkboxes unselected. "n selected" value is correct. 

Case 3 (7.4):

1. Open Discovery prototypes page 
2. Select select one or more prototypes
3. Click on "Discover" column link "Yes/No"

Result:

Checkboxes remain selected 

Expected:
All checkboxes unselected (as when you click on "Create enabled" column link "Yes/No").

Possibly more places affected.