fix(chart): re-enable cross-filtering on categorical X-axis when groupby is empty (backport to 6.0)#39913

jtjenkins wants to merge 1 commit intoapache:6.0-bug-fixesapache/superset:6.0-bug-fixesfrom

jtjenkins:fix/cross-filter-categorical-x-axis-6.0jtjenkins/superset:fix/cross-filter-categorical-x-axis-6.0Copy head branch name to clipboard