Drop modal function editor dependency on hasCategories bool
Drop modal function editor dependency on hasCategories bool

No longer care about category/non-category mode.  Both modes now set the
blockspace metrics to be the dimensions available to the modal editor.

pickettd/code-dot-org,dillia23/code-dot-org,cloud3edu/code-dot-org-old,pickettd/code-dot-org,cloud3edu/code-dot-org-old,dillia23/code-dot-org,pickettd/code-dot-org,cloud3edu/code-dot-org-old,rvarshney/code-dot-org,dillia23/code-dot-org,bakerfranke/code-dot-org,ty-po/code-dot-org,bakerfranke/code-dot-org,ty-po/code-dot-org,cloud3edu/code-dot-org-old,rvarshney/code-dot-org,bakerfranke/code-dot-org,ty-po/code-dot-org,bakerfranke/code-dot-org,bakerfranke/code-dot-org,ty-po/code-dot-org,rvarshney/code-dot-org,ty-po/code-dot-org,cloud3edu/code-dot-org-old,dillia23/code-dot-org,rvarshney/code-dot-org,rvarshney/code-dot-org,pickettd/code-dot-org,cloud3edu/code-dot-org-old,pickettd/code-dot-org,dillia23/code-dot-org,bakerfranke/code-dot-org,rvarshney/code-dot-org,cloud3edu/code-dot-org-old,dillia23/code-dot-org,bakerfranke/code-dot-org,dillia23/code-dot-org,rvarshney/code-dot-org,pickettd/code-dot-org,ty-po/code-dot-org,ty-po/code-dot-org,ty-po/code-dot-org,pickettd/code-dot-org,pickettd/code-dot-org,rvarshney/code-dot-org,dillia23/code-dot-org