Make token clear option configurable

Patch attached for 9.1.0-beta8. This excludes the hook_update to prevent conflicts with future hook updates. Please run drush cset patternkit.settings patternkit_json_editor_token_clear false -y when using this specific patch.

slucero → changed the visibility of the branch 9.1.x to hidden.

slucero → changed the visibility of the branch 9.1.x to active.

slucero → changed the visibility of the branch 3418973-make-token-clear to hidden.

Retested the issue and result looks good to me.

Results:

• Valid tokens with a provided context were replaced as expected
• An invalid token was removed only when "Replace empty token values" checkbox is checked
• Non-token text in square brackets was unaffected

My test content:

My content with a valid token: [node:title]<br/>
My content with an invalid token: [node:something]<br/>
My referenced text with square brackets: [non-token content]<br/>

Output

Case 1 : Check the "Replace empty token values" checkbox

My content with a valid token: Patternkit Page<br/>
My content with an invalid token: <br/>
My referenced text with square brackets: [non-token content]<br/>

Case 2 : Uncheck the "Replace empty token values" checkbox

My content with a valid token: Patternkit Page<br/> 
My content with an invalid token: [node:something]<br/> 
My referenced text with square brackets: [non-token content]<br/>

Merged for inclusion in the beta 9 release.

Automatically closed - issue fixed for 2 weeks with no activity.