Fix spelling errors

Most errors found with:

codespell -L cach,thst,odly,aslo,parm,parms,inpu,ges,prset,pevent,ptd,pring,valu,noo,noe,ned,inout,ro,siz,froms,nd,fo,singl,sart,multy,tthe,allong,ment,inate,nodel,tring,alse,ture,thi,wille,numer

Some more manually found (its -> it's)

c++20: Do not use apostrophe (e.g. can't) in unquoted #error message

modules/ca/src/client/convert.cpp

@@ -17,7 +17,7 @@
  *
  *  1) All routines in this file have an encode argument which
  *  determines if we are converting from the standard format to
- *  the local format or vise versa. To date only float and double data
+ *  the local format or vice versa. To date only float and double data
  *  types must be converted differently depending on the encode
  *  argument - joh
  *