chore(Order/ConditionallyCompleteLattice/Basic): use to_dual for WellFoundedLT theorems

[SnirBroshi]

The double primed le_csInf_iff'' lemma for ConditionallyCompleteLinearOrderBot took the place of the single primed le_csInf_iff' which was previously a WellFoundedLT lemma.

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[github-actions]

PR summary eaaaa75640

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff (regex)

+ le_csInf_iff_of_wellFoundedLT

You can run this locally as follows

## from your `mathlib4` directory:
git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci

## summary with just the declaration names:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh in the mathlib-ci repository contains some details about this script.

Declarations diff (Lean)

✅ Lean-aware diff — post-build, computed from the Lean environment (commit eaaaa75).

• +8 new declarations
• −0 removed declarations

+Monotone.map_csSup
+MonotoneOn.map_csSup
+csSup_eq_iff
+csSup_le_iff_of_wellFoundedGT
+csSup_mem
+isGreatest_csSup
+le_csInf_iff_of_wellFoundedLT
+sSup_eq_argmax_on

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No changes to strong technical debt.
No changes to weak technical debt.

Current commit eaaaa75640
Reference commit 61eda68641

This script lives in the mathlib-ci repository. To run it locally, from your mathlib4 directory:

git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci
../mathlib-ci/scripts/reporting/technical-debt-metrics.py pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).