vim-patch:8.2.5152: search() gets stuck with "c" and skip evaluates to true (#19064)

Problem:    search() gets stuck with "c" and skip evaluates to true.
Solution:   Reset the SEARCH_START option. (closes vim/vim#10608)
180246cfd1

src/nvim/eval/funcs.c

@@ -7766,6 +7766,9 @@ static int search_cmn(typval_T *argvars, pos_T *match_pos, int *flagsp)
         break;
       }
     }
+
+    // clear the start flag to avoid getting stuck here
+    options &= ~SEARCH_START;
   }
 
   if (subpatnum != FAIL) {